25750501111 has 2 divisors, whose sum is σ = 25750501112. Its totient is φ = 25750501110.

The previous prime is 25750501081. The next prime is 25750501151. The reversal of 25750501111 is 11110505752.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25750501111 - 2⁷ = 25750500983 is a prime.

It is a super-2 number, since 2×25750501111² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 25750501111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25750501151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12875250555 + 12875250556.

It is an arithmetic number, because the mean of its divisors is an integer number (12875250556).

Almost surely, 2^25750501111 is an apocalyptic number.

25750501111 is a deficient number, since it is larger than the sum of its proper divisors (1).

25750501111 is an equidigital number, since it uses as much as digits as its factorization.

25750501111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1750, while the sum is 28.

The spelling of 25750501111 in words is "twenty-five billion, seven hundred fifty million, five hundred one thousand, one hundred eleven".