151854185081 has 8 divisors (see below), whose sum is σ = 152396697600. Its totient is φ = 151312337280.

The previous prime is 151854185047. The next prime is 151854185099. The reversal of 151854185081 is 180581458151.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 151854185081 - 2¹⁰ = 151854184057 is a prime.

It is a super-2 number, since 2×151854185081² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (151854187081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 293801 + ... + 624521.

It is an arithmetic number, because the mean of its divisors is an integer number (19049587200).

Almost surely, 2^151854185081 is an apocalyptic number.

It is an amenable number.

151854185081 is a deficient number, since it is larger than the sum of its proper divisors (542512519).

151854185081 is a wasteful number, since it uses less digits than its factorization.

151854185081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332359.

The product of its (nonzero) digits is 256000, while the sum is 47.

The spelling of 151854185081 in words is "one hundred fifty-one billion, eight hundred fifty-four million, one hundred eighty-five thousand, eighty-one".