55137256711 has 2 divisors, whose sum is σ = 55137256712. Its totient is φ = 55137256710.

The previous prime is 55137256637. The next prime is 55137256721. The reversal of 55137256711 is 11765273155.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55137256711 - 2¹¹ = 55137254663 is a prime.

It is a super-2 number, since 2×55137256711² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55137256721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27568628355 + 27568628356.

It is an arithmetic number, because the mean of its divisors is an integer number (27568628356).

Almost surely, 2^55137256711 is an apocalyptic number.

55137256711 is a deficient number, since it is larger than the sum of its proper divisors (1).

55137256711 is an equidigital number, since it uses as much as digits as its factorization.

55137256711 is an evil number, because the sum of its binary digits is even.

The product of its digits is 220500, while the sum is 43.

The spelling of 55137256711 in words is "fifty-five billion, one hundred thirty-seven million, two hundred fifty-six thousand, seven hundred eleven".