2153111520522 has 16 divisors (see below), whose sum is σ = 4306335350112. Its totient is φ = 717685122000.

The previous prime is 2153111520421. The next prime is 2153111520557. The reversal of 2153111520522 is 2250251113512.

It is a self number, because there is not a number n which added to its sum of digits gives 2153111520522.

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, 4429288 + ... + 4891299.

It is an arithmetic number, because the mean of its divisors is an integer number (269145959382).

Almost surely, 2^{2153111520522} is an apocalyptic number.

2153111520522 is an abundant number, since it is smaller than the sum of its proper divisors (2153223829590).

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

2153111520522 is a wasteful number, since it uses less digits than its factorization.

2153111520522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9359093.

The product of its (nonzero) digits is 6000, while the sum is 30.

The spelling of 2153111520522 in words is "two trillion, one hundred fifty-three billion, one hundred eleven million, five hundred twenty thousand, five hundred twenty-two".