25553535051 has 32 divisors (see below), whose sum is σ = 38514769920. Its totient is φ = 14935284000.

The previous prime is 25553535037. The next prime is 25553535061. The reversal of 25553535051 is 15053535552.

It is not a de Polignac number, because 25553535051 - 2⁶ = 25553534987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25553535001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1875 + ... + 226076.

It is an arithmetic number, because the mean of its divisors is an integer number (1203586560).

Almost surely, 2^25553535051 is an apocalyptic number.

25553535051 is a deficient number, since it is larger than the sum of its proper divisors (12961234869).

25553535051 is a wasteful number, since it uses less digits than its factorization.

25553535051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228087.

The product of its (nonzero) digits is 281250, while the sum is 39.

The spelling of 25553535051 in words is "twenty-five billion, five hundred fifty-three million, five hundred thirty-five thousand, fifty-one".