25165505412930 has 64 divisors (see below), whose sum is σ = 60996881841408. Its totient is φ = 6644175225600.

The previous prime is 25165505412877. The next prime is 25165505412937. The reversal of 25165505412930 is 3921450556152.

It is a super-2 number, since 2×25165505412930² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 25165505412930.

It is not an unprimeable number, because it can be changed into a prime (25165505412937) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 137509947 + ... + 137692833.

It is an arithmetic number, because the mean of its divisors is an integer number (953076278772).

Almost surely, 2^{25165505412930} is an apocalyptic number.

25165505412930 is an abundant number, since it is smaller than the sum of its proper divisors (35831376428478).

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

25165505412930 is a wasteful number, since it uses less digits than its factorization.

25165505412930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228411.

The product of its (nonzero) digits is 1620000, while the sum is 48.

The spelling of 25165505412930 in words is "twenty-five trillion, one hundred sixty-five billion, five hundred five million, four hundred twelve thousand, nine hundred thirty".