2255242247757 has 24 divisors (see below), whose sum is σ = 3269548807200. Its totient is φ = 1497968654688.

The previous prime is 2255242247749. The next prime is 2255242247777. The reversal of 2255242247757 is 7577422425522.

2255242247757 is a `hidden beast` number, since 2 + 2 + 5 + 524 + 2 + 2 + 47 + 75 + 7 = 666.

It is not a de Polignac number, because 2255242247757 - 2³ = 2255242247749 is a prime.

It is a super-2 number, since 2×2255242247757² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2255242247777) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18938719 + ... + 19057427.

It is an arithmetic number, because the mean of its divisors is an integer number (136231200300).

Almost surely, 2^{2255242247757} is an apocalyptic number.

It is an amenable number.

2255242247757 is a deficient number, since it is larger than the sum of its proper divisors (1014306559443).

2255242247757 is a wasteful number, since it uses less digits than its factorization.

2255242247757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126457 (or 126454 counting only the distinct ones).

The product of its digits is 21952000, while the sum is 54.

The spelling of 2255242247757 in words is "two trillion, two hundred fifty-five billion, two hundred forty-two million, two hundred forty-seven thousand, seven hundred fifty-seven".