2151057557211 has 16 divisors (see below), whose sum is σ = 3036871513728. Its totient is φ = 1349645673600.

The previous prime is 2151057557203. The next prime is 2151057557239. The reversal of 2151057557211 is 1127557501512.

It is not a de Polignac number, because 2151057557211 - 2³ = 2151057557203 is a prime.

It is a super-2 number, since 2×2151057557211² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2151057557251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1328376 + ... + 2463066.

It is an arithmetic number, because the mean of its divisors is an integer number (189804469608).

Almost surely, 2^{2151057557211} is an apocalyptic number.

2151057557211 is a deficient number, since it is larger than the sum of its proper divisors (885813956517).

2151057557211 is a wasteful number, since it uses less digits than its factorization.

2151057557211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1171882.

The product of its (nonzero) digits is 122500, while the sum is 42.

The spelling of 2151057557211 in words is "two trillion, one hundred fifty-one billion, fifty-seven million, five hundred fifty-seven thousand, two hundred eleven".