52172807700156 has 96 divisors (see below), whose sum is σ = 146884548185088. Its totient is φ = 14199365525760.

The previous prime is 52172807700133. The next prime is 52172807700253. The reversal of 52172807700156 is 65100770827125.

It is a junction number, because it is equal to n+sod(n) for n = 52172807700099 and 52172807700108.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 410797780 + ... + 410924763.

It is an arithmetic number, because the mean of its divisors is an integer number (1530047376928).

Almost surely, 2^{52172807700156} is an apocalyptic number.

It is an amenable number.

52172807700156 is an abundant number, since it is smaller than the sum of its proper divisors (94711740484932).

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

52172807700156 is a wasteful number, since it uses less digits than its factorization.

52172807700156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 821722611 (or 821722609 counting only the distinct ones).

The product of its (nonzero) digits is 1646400, while the sum is 51.

The spelling of 52172807700156 in words is "fifty-two trillion, one hundred seventy-two billion, eight hundred seven million, seven hundred thousand, one hundred fifty-six".