11311250525523 has 32 divisors (see below), whose sum is σ = 18047389337600. Its totient is φ = 6960403221408.

The previous prime is 11311250525413. The next prime is 11311250525527. The reversal of 11311250525523 is 32552505211311.

11311250525523 is a `hidden beast` number, since 1 + 1 + 3 + 1 + 1 + 2 + 50 + 52 + 552 + 3 = 666.

It is not a de Polignac number, because 11311250525523 - 2⁹ = 11311250525011 is a prime.

It is a super-2 number, since 2×11311250525523² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11311250525527) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5907486 + ... + 7584252.

It is an arithmetic number, because the mean of its divisors is an integer number (563980916800).

Almost surely, 2^{11311250525523} is an apocalyptic number.

11311250525523 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11311250525523 is a deficient number, since it is larger than the sum of its proper divisors (6736138812077).

11311250525523 is a wasteful number, since it uses less digits than its factorization.

11311250525523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1696008 (or 1696002 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 36.

Adding to 11311250525523 its reverse (32552505211311), we get a palindrome (43863755736834).

The spelling of 11311250525523 in words is "eleven trillion, three hundred eleven billion, two hundred fifty million, five hundred twenty-five thousand, five hundred twenty-three".