25501061055630 has 32 divisors (see below), whose sum is σ = 61205016860064. Its totient is φ = 6800008467456.

The previous prime is 25501061055623. The next prime is 25501061055671. The reversal of 25501061055630 is 3655016010552.

It is a super-2 number, since 2×25501061055630² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16398859 + ... + 17886438.

It is an arithmetic number, because the mean of its divisors is an integer number (1912656776877).

Almost surely, 2^{25501061055630} is an apocalyptic number.

25501061055630 is an abundant number, since it is smaller than the sum of its proper divisors (35703955804434).

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

25501061055630 is a wasteful number, since it uses less digits than its factorization.

25501061055630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34310100.

The product of its (nonzero) digits is 135000, while the sum is 39.

The spelling of 25501061055630 in words is "twenty-five trillion, five hundred one billion, sixty-one million, fifty-five thousand, six hundred thirty".