2151057557239 has 2 divisors, whose sum is σ = 2151057557240. Its totient is φ = 2151057557238.

The previous prime is 2151057557203. The next prime is 2151057557251. The reversal of 2151057557239 is 9327557501512.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2151057557239 - 2⁷ = 2151057557111 is a prime.

It is a super-2 number, since 2×2151057557239² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2151057557039) 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 as a sum of consecutive naturals, namely, 1075528778619 + 1075528778620.

It is an arithmetic number, because the mean of its divisors is an integer number (1075528778620).

Almost surely, 2^{2151057557239} is an apocalyptic number.

2151057557239 is a deficient number, since it is larger than the sum of its proper divisors (1).

2151057557239 is an equidigital number, since it uses as much as digits as its factorization.

2151057557239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3307500, while the sum is 52.

The spelling of 2151057557239 in words is "two trillion, one hundred fifty-one billion, fifty-seven million, five hundred fifty-seven thousand, two hundred thirty-nine".