2105525712 has 20 divisors (see below), whose sum is σ = 5439274880. Its totient is φ = 701841888.

The previous prime is 2105525707. The next prime is 2105525749. The reversal of 2105525712 is 2175255012.

It is a self number, because there is not a number n which added to its sum of digits gives 2105525712.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21932512 + ... + 21932607.

It is an arithmetic number, because the mean of its divisors is an integer number (271963744).

Almost surely, 2^2105525712 is an apocalyptic number.

It is an amenable number.

2105525712 is an abundant number, since it is smaller than the sum of its proper divisors (3333749168).

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

2105525712 is a wasteful number, since it uses less digits than its factorization.

2105525712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43865130 (or 43865124 counting only the distinct ones).

The product of its (nonzero) digits is 7000, while the sum is 30.

The square root of 2105525712 is about 45886.0078019433. The cubic root of 2105525712 is about 1281.7013736031.

The spelling of 2105525712 in words is "two billion, one hundred five million, five hundred twenty-five thousand, seven hundred twelve".