25312140054 has 24 divisors (see below), whose sum is σ = 55192294560. Its totient is φ = 8383637808.

The previous prime is 25312140031. The next prime is 25312140083. The reversal of 25312140054 is 45004121352.

25312140054 is a `hidden beast` number, since 253 + 1 + 2 + 1 + 400 + 5 + 4 = 666.

It is a super-2 number, since 2×25312140054² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4475614 + ... + 4481265.

It is an arithmetic number, because the mean of its divisors is an integer number (2299678940).

Almost surely, 2^25312140054 is an apocalyptic number.

25312140054 is an abundant number, since it is smaller than the sum of its proper divisors (29880154506).

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

25312140054 is a wasteful number, since it uses less digits than its factorization.

25312140054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8957044 (or 8957041 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The spelling of 25312140054 in words is "twenty-five billion, three hundred twelve million, one hundred forty thousand, fifty-four".