15516474089356 has 12 divisors (see below), whose sum is σ = 27164237428440. Its totient is φ = 7755263395520.

The previous prime is 15516474089351. The next prime is 15516474089377. The reversal of 15516474089356 is 65398047461551.

It is a super-2 number, since 2×15516474089356² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (15516474089351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 743400550 + ... + 743421421.

It is an arithmetic number, because the mean of its divisors is an integer number (2263686452370).

Almost surely, 2^{15516474089356} is an apocalyptic number.

It is an amenable number.

15516474089356 is a deficient number, since it is larger than the sum of its proper divisors (11647763339084).

15516474089356 is a wasteful number, since it uses less digits than its factorization.

15516474089356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1486824584 (or 1486824582 counting only the distinct ones).

The product of its (nonzero) digits is 108864000, while the sum is 64.

The spelling of 15516474089356 in words is "fifteen trillion, five hundred sixteen billion, four hundred seventy-four million, eighty-nine thousand, three hundred fifty-six".