25275275275 has 24 divisors (see below), whose sum is σ = 31995903024. Its totient is φ = 19800854400.

The previous prime is 25275275269. The next prime is 25275275321. The reversal of 25275275275 is 57257257252.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-25275275275 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 309669 + ... + 382681.

It is an arithmetic number, because the mean of its divisors is an integer number (1333162626).

Almost surely, 2^25275275275 is an apocalyptic number.

25275275275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

25275275275 is a deficient number, since it is larger than the sum of its proper divisors (6720627749).

25275275275 is a wasteful number, since it uses less digits than its factorization.

25275275275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73311 (or 73306 counting only the distinct ones).

The product of its digits is 3430000, while the sum is 49.

The spelling of 25275275275 in words is "twenty-five billion, two hundred seventy-five million, two hundred seventy-five thousand, two hundred seventy-five".