113125550131 has 32 divisors (see below), whose sum is σ = 129404160000. Its totient is φ = 97945061760.

The previous prime is 113125550113. The next prime is 113125550141. The reversal of 113125550131 is 131055521311.

It is a cyclic number.

It is not a de Polignac number, because 113125550131 - 2¹³ = 113125541939 is a prime.

It is a super-2 number, since 2×113125550131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 113125550131.

It is not an unprimeable number, because it can be changed into a prime (113125550141) 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, 47351485 + ... + 47353873.

It is an arithmetic number, because the mean of its divisors is an integer number (4043880000).

Almost surely, 2^113125550131 is an apocalyptic number.

113125550131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

113125550131 is a deficient number, since it is larger than the sum of its proper divisors (16278609869).

113125550131 is a wasteful number, since it uses less digits than its factorization.

113125550131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4387.

The product of its (nonzero) digits is 2250, while the sum is 28.

The spelling of 113125550131 in words is "one hundred thirteen billion, one hundred twenty-five million, five hundred fifty thousand, one hundred thirty-one".