2151156052422 has 48 divisors (see below), whose sum is σ = 5176351864080. Its totient is φ = 661894167168.

The previous prime is 2151156052393. The next prime is 2151156052429. The reversal of 2151156052422 is 2242506511512.

2151156052422 is a `hidden beast` number, since 2 + 1 + 5 + 1 + 1 + 5 + 605 + 2 + 42 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2151156052429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 117849523 + ... + 117867774.

It is an arithmetic number, because the mean of its divisors is an integer number (107840663835).

Almost surely, 2^{2151156052422} is an apocalyptic number.

2151156052422 is an abundant number, since it is smaller than the sum of its proper divisors (3025195811658).

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

2151156052422 is a wasteful number, since it uses less digits than its factorization.

2151156052422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235717334 (or 235717315 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 36.

The spelling of 2151156052422 in words is "two trillion, one hundred fifty-one billion, one hundred fifty-six million, fifty-two thousand, four hundred twenty-two".