25264577165140 has 24 divisors (see below), whose sum is σ = 53059640814432. Its totient is φ = 10105063481760.

The previous prime is 25264577165119. The next prime is 25264577165171. The reversal of 25264577165140 is 4156177546252.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47691514 + ... + 48218353.

It is an arithmetic number, because the mean of its divisors is an integer number (2210818367268).

Almost surely, 2^{25264577165140} is an apocalyptic number.

25264577165140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25264577165140 is an abundant number, since it is smaller than the sum of its proper divisors (27795063649292).

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

25264577165140 is a wasteful number, since it uses less digits than its factorization.

25264577165140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95923047 (or 95923045 counting only the distinct ones).

The product of its (nonzero) digits is 14112000, while the sum is 55.

The spelling of 25264577165140 in words is "twenty-five trillion, two hundred sixty-four billion, five hundred seventy-seven million, one hundred sixty-five thousand, one hundred forty".