25501374623 has 2 divisors, whose sum is σ = 25501374624. Its totient is φ = 25501374622.

The previous prime is 25501374607. The next prime is 25501374629. The reversal of 25501374623 is 32647310552.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25501374623 - 2⁴ = 25501374607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25501374629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12750687311 + 12750687312.

It is an arithmetic number, because the mean of its divisors is an integer number (12750687312).

Almost surely, 2^25501374623 is an apocalyptic number.

25501374623 is a deficient number, since it is larger than the sum of its proper divisors (1).

25501374623 is an equidigital number, since it uses as much as digits as its factorization.

25501374623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 151200, while the sum is 38.

The spelling of 25501374623 in words is "twenty-five billion, five hundred one million, three hundred seventy-four thousand, six hundred twenty-three".