152181080381 has 4 divisors (see below), whose sum is σ = 166015724064. Its totient is φ = 138346436700.

The previous prime is 152181080357. The next prime is 152181080407. The reversal of 152181080381 is 183080181251.

152181080381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 183080181251 = 11 ⋅16643652841.

It is a cyclic number.

It is not a de Polignac number, because 152181080381 - 2²² = 152176886077 is a prime.

It is a super-2 number, since 2×152181080381² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152181040381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6917321825 + ... + 6917321846.

It is an arithmetic number, because the mean of its divisors is an integer number (41503931016).

Almost surely, 2^152181080381 is an apocalyptic number.

152181080381 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

152181080381 is a deficient number, since it is larger than the sum of its proper divisors (13834643683).

152181080381 is a wasteful number, since it uses less digits than its factorization.

152181080381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13834643682.

The product of its (nonzero) digits is 15360, while the sum is 38.

The spelling of 152181080381 in words is "one hundred fifty-two billion, one hundred eighty-one million, eighty thousand, three hundred eighty-one".