2100536723572 has 24 divisors (see below), whose sum is σ = 4201244457984. Its totient is φ = 900193379232.

The previous prime is 2100536723567. The next prime is 2100536723587. The reversal of 2100536723572 is 2753276350012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 821023 + ... + 2207974.

It is an arithmetic number, because the mean of its divisors is an integer number (175051852416).

Almost surely, 2^{2100536723572} is an apocalyptic number.

It is an amenable number.

2100536723572 is an abundant number, since it is smaller than the sum of its proper divisors (2100707734412).

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

2100536723572 is a wasteful number, since it uses less digits than its factorization.

2100536723572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3053775 (or 3053773 counting only the distinct ones).

The product of its (nonzero) digits is 529200, while the sum is 43.

The spelling of 2100536723572 in words is "two trillion, one hundred billion, five hundred thirty-six million, seven hundred twenty-three thousand, five hundred seventy-two".