25479359515111 has 2 divisors, whose sum is σ = 25479359515112. Its totient is φ = 25479359515110.

The previous prime is 25479359515081. The next prime is 25479359515151. The reversal of 25479359515111 is 11151595397452.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25479359515111 - 2⁵ = 25479359515079 is a prime.

It is a super-2 number, since 2×25479359515111² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25479359515151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12739679757555 + 12739679757556.

It is an arithmetic number, because the mean of its divisors is an integer number (12739679757556).

Almost surely, 2^{25479359515111} is an apocalyptic number.

25479359515111 is a deficient number, since it is larger than the sum of its proper divisors (1).

25479359515111 is an equidigital number, since it uses as much as digits as its factorization.

25479359515111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8505000, while the sum is 58.

The spelling of 25479359515111 in words is "twenty-five trillion, four hundred seventy-nine billion, three hundred fifty-nine million, five hundred fifteen thousand, one hundred eleven".