25342535511 has 48 divisors (see below), whose sum is σ = 39198781440. Its totient is φ = 15721862400.

The previous prime is 25342535503. The next prime is 25342535563. The reversal of 25342535511 is 11553524352.

25342535511 is a `hidden beast` number, since 2 + 53 + 4 + 2 + 53 + 551 + 1 = 666.

It is not a de Polignac number, because 25342535511 - 2³ = 25342535503 is a prime.

It is a super-2 number, since 2×25342535511² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25342530511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5149510 + ... + 5154428.

It is an arithmetic number, because the mean of its divisors is an integer number (816641280).

Almost surely, 2^25342535511 is an apocalyptic number.

25342535511 is a deficient number, since it is larger than the sum of its proper divisors (13856245929).

25342535511 is a wasteful number, since it uses less digits than its factorization.

25342535511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5316 (or 5313 counting only the distinct ones).

The product of its digits is 90000, while the sum is 36.

The spelling of 25342535511 in words is "twenty-five billion, three hundred forty-two million, five hundred thirty-five thousand, five hundred eleven".