25551500435050 has 24 divisors (see below), whose sum is σ = 48631041762336. Its totient is φ = 9982911797040.

The previous prime is 25551500435033. The next prime is 25551500435057. The reversal of 25551500435050 is 5053400515552.

It is a junction number, because it is equal to n+sod(n) for n = 25551500434994 and 25551500435012.

It is not an unprimeable number, because it can be changed into a prime (25551500435057) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5942207254 + ... + 5942211553.

It is an arithmetic number, because the mean of its divisors is an integer number (2026293406764).

Almost surely, 2^{25551500435050} is an apocalyptic number.

25551500435050 is a deficient number, since it is larger than the sum of its proper divisors (23079541327286).

25551500435050 is a wasteful number, since it uses less digits than its factorization.

25551500435050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11884418862 (or 11884418857 counting only the distinct ones).

The product of its (nonzero) digits is 375000, while the sum is 40.

The spelling of 25551500435050 in words is "twenty-five trillion, five hundred fifty-one billion, five hundred million, four hundred thirty-five thousand, fifty".