25401615626112 has 128 divisors (see below), whose sum is σ = 74615269720320. Its totient is φ = 7592014540800.

The previous prime is 25401615626089. The next prime is 25401615626129. The reversal of 25401615626112 is 21162651610452.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

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, 40880964 + ... + 41497667.

It is an arithmetic number, because the mean of its divisors is an integer number (582931794690).

Almost surely, 2^{25401615626112} is an apocalyptic number.

25401615626112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

25401615626112 is an abundant number, since it is smaller than the sum of its proper divisors (49213654094208).

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

25401615626112 is a wasteful number, since it uses less digits than its factorization.

25401615626112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82378732 (or 82378720 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 42.

The spelling of 25401615626112 in words is "twenty-five trillion, four hundred one billion, six hundred fifteen million, six hundred twenty-six thousand, one hundred twelve".