15552452331 has 64 divisors (see below), whose sum is σ = 25082512000. Its totient is φ = 9467435520.

The previous prime is 15552452303. The next prime is 15552452347. The reversal of 15552452331 is 13325425551.

15552452331 is a `hidden beast` number, since 1 + 55 + 52 + 4 + 523 + 31 = 666.

It is not a de Polignac number, because 15552452331 - 2¹⁴ = 15552435947 is a prime.

It is a super-2 number, since 2×15552452331² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (15552452381) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14548065 + ... + 14549133.

It is an arithmetic number, because the mean of its divisors is an integer number (391914250).

Almost surely, 2^15552452331 is an apocalyptic number.

15552452331 is a deficient number, since it is larger than the sum of its proper divisors (9530059669).

15552452331 is a wasteful number, since it uses less digits than its factorization.

15552452331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1501 (or 1495 counting only the distinct ones).

The product of its digits is 90000, while the sum is 36.

Adding to 15552452331 its reverse (13325425551), we get a palindrome (28877877882).

The spelling of 15552452331 in words is "fifteen billion, five hundred fifty-two million, four hundred fifty-two thousand, three hundred thirty-one".