25855750075 has 24 divisors (see below), whose sum is σ = 34024652640. Its totient is φ = 19423372800.

The previous prime is 25855750013. The next prime is 25855750079. The reversal of 25855750075 is 57005755852.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-25855750075 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25855750079) 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, 117285 + ... + 255865.

It is an arithmetic number, because the mean of its divisors is an integer number (1417693860).

Almost surely, 2^25855750075 is an apocalyptic number.

25855750075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

25855750075 is a deficient number, since it is larger than the sum of its proper divisors (8168902565).

25855750075 is a wasteful number, since it uses less digits than its factorization.

25855750075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139047 (or 139042 counting only the distinct ones).

The product of its (nonzero) digits is 2450000, while the sum is 49.

The spelling of 25855750075 in words is "twenty-five billion, eight hundred fifty-five million, seven hundred fifty thousand, seventy-five".