25311261413426 has 32 divisors (see below), whose sum is σ = 38709740160000. Its totient is φ = 12410218446912.

The previous prime is 25311261413393. The next prime is 25311261413443. The reversal of 25311261413426 is 62431416211352.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 236237495 + ... + 236344613.

It is an arithmetic number, because the mean of its divisors is an integer number (1209679380000).

Almost surely, 2^{25311261413426} is an apocalyptic number.

25311261413426 is a deficient number, since it is larger than the sum of its proper divisors (13398478746574).

25311261413426 is a wasteful number, since it uses less digits than its factorization.

25311261413426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117386.

The product of its digits is 207360, while the sum is 41.

Adding to 25311261413426 its reverse (62431416211352), we get a palindrome (87742677624778).

The spelling of 25311261413426 in words is "twenty-five trillion, three hundred eleven billion, two hundred sixty-one million, four hundred thirteen thousand, four hundred twenty-six".