2153522561112 has 96 divisors (see below), whose sum is σ = 6477558109200. Its totient is φ = 662622315264.

The previous prime is 2153522561051. The next prime is 2153522561117. The reversal of 2153522561112 is 2111652253512.

2153522561112 is a `hidden beast` number, since 2 + 1 + 5 + 3 + 5 + 2 + 25 + 611 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2153522561117) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29460573 + ... + 29533580.

Almost surely, 2^{2153522561112} is an apocalyptic number.

It is an amenable number.

2153522561112 is an abundant number, since it is smaller than the sum of its proper divisors (4324035548088).

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

2153522561112 is a wasteful number, since it uses less digits than its factorization.

2153522561112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58994194 (or 58994171 counting only the distinct ones).

The product of its digits is 36000, while the sum is 36.

The spelling of 2153522561112 in words is "two trillion, one hundred fifty-three billion, five hundred twenty-two million, five hundred sixty-one thousand, one hundred twelve".