25138890250275 has 24 divisors (see below), whose sum is σ = 42447283628544. Its totient is φ = 13122144128800.

The previous prime is 25138890250273. The next prime is 25138890250307. The reversal of 25138890250275 is 57205209883152.

It is not a de Polignac number, because 25138890250275 - 2¹ = 25138890250273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25138890250273) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3565796511 + ... + 3565803560.

It is an arithmetic number, because the mean of its divisors is an integer number (1768636817856).

Almost surely, 2^{25138890250275} is an apocalyptic number.

25138890250275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

25138890250275 is a deficient number, since it is larger than the sum of its proper divisors (17308393378269).

25138890250275 is a wasteful number, since it uses less digits than its factorization.

25138890250275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7131600131 (or 7131600126 counting only the distinct ones).

The product of its (nonzero) digits is 12096000, while the sum is 57.

The spelling of 25138890250275 in words is "twenty-five trillion, one hundred thirty-eight billion, eight hundred ninety million, two hundred fifty thousand, two hundred seventy-five".