25915540014 has 48 divisors (see below), whose sum is σ = 69108111072. Its totient is φ = 6834867264.

The previous prime is 25915539977. The next prime is 25915540087. The reversal of 25915540014 is 41004551952.

25915540014 is a `hidden beast` number, since 2 + 5 + 91 + 554 + 0 + 0 + 14 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7909089 + ... + 7912364.

It is an arithmetic number, because the mean of its divisors is an integer number (1439752314).

Almost surely, 2^25915540014 is an apocalyptic number.

25915540014 is an abundant number, since it is smaller than the sum of its proper divisors (43192571058).

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

25915540014 is a wasteful number, since it uses less digits than its factorization.

25915540014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15821481 (or 15821478 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 36.

The spelling of 25915540014 in words is "twenty-five billion, nine hundred fifteen million, five hundred forty thousand, fourteen".