15502126020772 has 48 divisors (see below), whose sum is σ = 28330313397120. Its totient is φ = 7408278445568.

The previous prime is 15502126020751. The next prime is 15502126020811. The reversal of 15502126020772 is 27702062120551.

It is a super-2 number, since 2×15502126020772² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1520854908 + ... + 1520865100.

It is an arithmetic number, because the mean of its divisors is an integer number (590214862440).

Almost surely, 2^{15502126020772} is an apocalyptic number.

It is an amenable number.

15502126020772 is a deficient number, since it is larger than the sum of its proper divisors (12828187376348).

15502126020772 is a wasteful number, since it uses less digits than its factorization.

15502126020772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21492 (or 21490 counting only the distinct ones).

The product of its (nonzero) digits is 117600, while the sum is 40.

The spelling of 15502126020772 in words is "fifteen trillion, five hundred two billion, one hundred twenty-six million, twenty thousand, seven hundred seventy-two".