25291157339 has 8 divisors (see below), whose sum is σ = 29098168800. Its totient is φ = 21532643136.

The previous prime is 25291157321. The next prime is 25291157347. The reversal of 25291157339 is 93375119252.

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

It is a cyclic number.

It is not a de Polignac number, because 25291157339 - 2⁸ = 25291157083 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25291157293 and 25291157302.

It is not an unprimeable number, because it can be changed into a prime (25291127339) 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, 12123194 + ... + 12125279.

It is an arithmetic number, because the mean of its divisors is an integer number (3637271100).

Almost surely, 2^25291157339 is an apocalyptic number.

25291157339 is a deficient number, since it is larger than the sum of its proper divisors (3807011461).

25291157339 is a wasteful number, since it uses less digits than its factorization.

25291157339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24248629.

The product of its digits is 510300, while the sum is 47.

The spelling of 25291157339 in words is "twenty-five billion, two hundred ninety-one million, one hundred fifty-seven thousand, three hundred thirty-nine".