25551164373 has 64 divisors (see below), whose sum is σ = 42193820160. Its totient is φ = 13421371392.

The previous prime is 25551164363. The next prime is 25551164383. The reversal of 25551164373 is 37346115552.

It is an interprime number because it is at equal distance from previous prime (25551164363) and next prime (25551164383).

It is not a de Polignac number, because 25551164373 - 2¹² = 25551160277 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25551164363) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4329961 + ... + 4335857.

It is an arithmetic number, because the mean of its divisors is an integer number (659278440).

Almost surely, 2^25551164373 is an apocalyptic number.

It is an amenable number.

25551164373 is a deficient number, since it is larger than the sum of its proper divisors (16642655787).

25551164373 is a wasteful number, since it uses less digits than its factorization.

25551164373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6206.

The product of its digits is 378000, while the sum is 42.

The spelling of 25551164373 in words is "twenty-five billion, five hundred fifty-one million, one hundred sixty-four thousand, three hundred seventy-three".