2557071251652 has 24 divisors (see below), whose sum is σ = 6004502773696. Its totient is φ = 846928057248.

The previous prime is 2557071251639. The next prime is 2557071251653. The reversal of 2557071251652 is 2561521707552.

It is a super-2 number, since 2×2557071251652² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2557071251653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 678626368 + ... + 678630135.

Almost surely, 2^{2557071251652} is an apocalyptic number.

It is an amenable number.

2557071251652 is an abundant number, since it is smaller than the sum of its proper divisors (3447431522044).

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

2557071251652 is a wasteful number, since it uses less digits than its factorization.

2557071251652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1357256667 (or 1357256665 counting only the distinct ones).

The product of its (nonzero) digits is 1470000, while the sum is 48.

The spelling of 2557071251652 in words is "two trillion, five hundred fifty-seven billion, seventy-one million, two hundred fifty-one thousand, six hundred fifty-two".