15155550481 has 8 divisors (see below), whose sum is σ = 15684105600. Its totient is φ = 14627392080.

The previous prime is 15155550451. The next prime is 15155550503. The reversal of 15155550481 is 18405555151.

It is a happy number.

15155550481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 15155550481 - 2¹³ = 15155542289 is a prime.

It is a super-2 number, since 2×15155550481² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15155550401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20371 + ... + 175288.

It is an arithmetic number, because the mean of its divisors is an integer number (1960513200).

Almost surely, 2^15155550481 is an apocalyptic number.

It is an amenable number.

15155550481 is a deficient number, since it is larger than the sum of its proper divisors (528555119).

15155550481 is a wasteful number, since it uses less digits than its factorization.

15155550481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198359.

The product of its (nonzero) digits is 100000, while the sum is 40.

The spelling of 15155550481 in words is "fifteen billion, one hundred fifty-five million, five hundred fifty thousand, four hundred eighty-one".