11525534130031 has 16 divisors (see below), whose sum is σ = 11688358297600. Its totient is φ = 11363145393600.

The previous prime is 11525534130023. The next prime is 11525534130109. The reversal of 11525534130031 is 13003143552511.

It is a cyclic number.

It is not a de Polignac number, because 11525534130031 - 2³ = 11525534130023 is a prime.

It is a super-2 number, since 2×11525534130031² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11525534130931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 153474550 + ... + 153549628.

It is an arithmetic number, because the mean of its divisors is an integer number (730522393600).

Almost surely, 2^{11525534130031} is an apocalyptic number.

11525534130031 is a deficient number, since it is larger than the sum of its proper divisors (162824167569).

11525534130031 is a wasteful number, since it uses less digits than its factorization.

11525534130031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77950.

The product of its (nonzero) digits is 27000, while the sum is 34.

Adding to 11525534130031 its reverse (13003143552511), we get a palindrome (24528677682542).

The spelling of 11525534130031 in words is "eleven trillion, five hundred twenty-five billion, five hundred thirty-four million, one hundred thirty thousand, thirty-one".