25400151455 has 16 divisors (see below), whose sum is σ = 34913147904. Its totient is φ = 17377919520.

The previous prime is 25400151433. The next prime is 25400151481. The reversal of 25400151455 is 55415100452.

It is not a de Polignac number, because 25400151455 - 2⁸ = 25400151199 is a prime.

It is a Duffinian number.

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, 803591 + ... + 834600.

It is an arithmetic number, because the mean of its divisors is an integer number (2182071744).

Almost surely, 2^25400151455 is an apocalyptic number.

25400151455 is a deficient number, since it is larger than the sum of its proper divisors (9512996449).

25400151455 is a wasteful number, since it uses less digits than its factorization.

25400151455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1638646.

The product of its (nonzero) digits is 20000, while the sum is 32.

The spelling of 25400151455 in words is "twenty-five billion, four hundred million, one hundred fifty-one thousand, four hundred fifty-five".