7137552172620 has 96 divisors (see below), whose sum is σ = 20044865131200. Its totient is φ = 1897661399040.

The previous prime is 7137552172607. The next prime is 7137552172631. The reversal of 7137552172620 is 262712557317.

It is a self number, because there is not a number n which added to its sum of digits gives 7137552172620.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 159865500 + ... + 159910140.

It is an arithmetic number, because the mean of its divisors is an integer number (208800678450).

Almost surely, 2^{7137552172620} is an apocalyptic number.

It is an amenable number.

7137552172620 is an abundant number, since it is smaller than the sum of its proper divisors (12907312958580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7137552172620 is a wasteful number, since it uses less digits than its factorization.

7137552172620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52555 (or 52553 counting only the distinct ones).

The product of its (nonzero) digits is 1234800, while the sum is 48.

The spelling of 7137552172620 in words is "seven trillion, one hundred thirty-seven billion, five hundred fifty-two million, one hundred seventy-two thousand, six hundred twenty".