25539158399041 has 8 divisors (see below), whose sum is σ = 29189201131584. Its totient is φ = 21889513549680.

The previous prime is 25539158398979. The next prime is 25539158399057. The reversal of 25539158399041 is 14099385193552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 25539158399041 - 2⁹ = 25539158398529 is a prime.

It is a super-2 number, since 2×25539158399041² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25539158399071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99333235 + ... + 99590008.

It is an arithmetic number, because the mean of its divisors is an integer number (3648650141448).

Almost surely, 2^{25539158399041} is an apocalyptic number.

It is an amenable number.

25539158399041 is a deficient number, since it is larger than the sum of its proper divisors (3650042732543).

25539158399041 is a wasteful number, since it uses less digits than its factorization.

25539158399041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198941591.

The product of its (nonzero) digits is 52488000, while the sum is 64.

The spelling of 25539158399041 in words is "twenty-five trillion, five hundred thirty-nine billion, one hundred fifty-eight million, three hundred ninety-nine thousand, forty-one".