25545054075 has 96 divisors (see below), whose sum is σ = 45314480640. Its totient is φ = 12666931200.

The previous prime is 25545054071. The next prime is 25545054091. The reversal of 25545054075 is 57045054552.

It is not a de Polignac number, because 25545054075 - 2² = 25545054071 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25545054071) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 17875461 + ... + 17876889.

It is an arithmetic number, because the mean of its divisors is an integer number (472025840).

Almost surely, 2^25545054075 is an apocalyptic number.

25545054075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

25545054075 is a deficient number, since it is larger than the sum of its proper divisors (19769426565).

25545054075 is a wasteful number, since it uses less digits than its factorization.

25545054075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1749 (or 1744 counting only the distinct ones).

The product of its (nonzero) digits is 700000, while the sum is 42.

The spelling of 25545054075 in words is "twenty-five billion, five hundred forty-five million, fifty-four thousand, seventy-five".