113551325511131 has 4 divisors (see below), whose sum is σ = 115967311160352. Its totient is φ = 111135339861912.

The previous prime is 113551325511097. The next prime is 113551325511163. The reversal of 113551325511131 is 131115523155311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113551325511131 is a prime.

It is a super-2 number, since 2×113551325511131² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113551325511181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1207992824540 + ... + 1207992824633.

It is an arithmetic number, because the mean of its divisors is an integer number (28991827790088).

Almost surely, 2^{113551325511131} is an apocalyptic number.

113551325511131 is a deficient number, since it is larger than the sum of its proper divisors (2415985649221).

113551325511131 is an equidigital number, since it uses as much as digits as its factorization.

113551325511131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2415985649220.

The product of its digits is 33750, while the sum is 38.

Adding to 113551325511131 its reverse (131115523155311), we get a palindrome (244666848666442).

The spelling of 113551325511131 in words is "one hundred thirteen trillion, five hundred fifty-one billion, three hundred twenty-five million, five hundred eleven thousand, one hundred thirty-one".