25122602541 has 32 divisors (see below), whose sum is σ = 36848010240. Its totient is φ = 15154280064.

The previous prime is 25122602521. The next prime is 25122602551. The reversal of 25122602541 is 14520622152.

It is not a de Polignac number, because 25122602541 - 2¹⁷ = 25122471469 is a prime.

It is a super-2 number, since 2×25122602541² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25122602499 and 25122602508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25122602521) 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, 881385 + ... + 909441.

It is an arithmetic number, because the mean of its divisors is an integer number (1151500320).

Almost surely, 2^25122602541 is an apocalyptic number.

It is an amenable number.

25122602541 is a deficient number, since it is larger than the sum of its proper divisors (11725407699).

25122602541 is a wasteful number, since it uses less digits than its factorization.

25122602541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28785.

The product of its (nonzero) digits is 9600, while the sum is 30.

The spelling of 25122602541 in words is "twenty-five billion, one hundred twenty-two million, six hundred two thousand, five hundred forty-one".