15504311251052 has 12 divisors (see below), whose sum is σ = 29219663511696. Its totient is φ = 7155835962000.

The previous prime is 15504311251049. The next prime is 15504311251067. The reversal of 15504311251052 is 25015211340551.

It is a super-2 number, since 2×15504311251052² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 149079915824 + ... + 149079915927.

It is an arithmetic number, because the mean of its divisors is an integer number (2434971959308).

Almost surely, 2^{15504311251052} is an apocalyptic number.

It is an amenable number.

15504311251052 is a deficient number, since it is larger than the sum of its proper divisors (13715352260644).

15504311251052 is a wasteful number, since it uses less digits than its factorization.

15504311251052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298159831768 (or 298159831766 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 35.

The spelling of 15504311251052 in words is "fifteen trillion, five hundred four billion, three hundred eleven million, two hundred fifty-one thousand, fifty-two".