2100524885261 has 8 divisors (see below), whose sum is σ = 2291607452064. Its totient is φ = 1909463278320.

The previous prime is 2100524885257. The next prime is 2100524885299. The reversal of 2100524885261 is 1625884250012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2100524885261 - 2² = 2100524885257 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100524888261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5030051 + ... + 5431616.

It is an arithmetic number, because the mean of its divisors is an integer number (286450931508).

Almost surely, 2^{2100524885261} is an apocalyptic number.

It is an amenable number.

2100524885261 is a deficient number, since it is larger than the sum of its proper divisors (191082566803).

2100524885261 is a wasteful number, since it uses less digits than its factorization.

2100524885261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10479931.

The product of its (nonzero) digits is 307200, while the sum is 44.

The spelling of 2100524885261 in words is "two trillion, one hundred billion, five hundred twenty-four million, eight hundred eighty-five thousand, two hundred sixty-one".