25268149155 has 32 divisors (see below), whose sum is σ = 42882696000. Its totient is φ = 12661256192.

The previous prime is 25268149147. The next prime is 25268149217. The reversal of 25268149155 is 55194186252.

It is not a de Polignac number, because 25268149155 - 2³ = 25268149147 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58021 + ... + 232169.

It is an arithmetic number, because the mean of its divisors is an integer number (1340084250).

Almost surely, 2^25268149155 is an apocalyptic number.

25268149155 is a deficient number, since it is larger than the sum of its proper divisors (17614546845).

25268149155 is a wasteful number, since it uses less digits than its factorization.

25268149155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174743.

The product of its digits is 864000, while the sum is 48.

The spelling of 25268149155 in words is "twenty-five billion, two hundred sixty-eight million, one hundred forty-nine thousand, one hundred fifty-five".