113555231211 has 16 divisors (see below), whose sum is σ = 164646061344. Its totient is φ = 69324655104.

The previous prime is 113555231197. The next prime is 113555231213. The reversal of 113555231211 is 112132555311.

It is not a de Polignac number, because 113555231211 - 2²³ = 113546842603 is a prime.

It is not an unprimeable number, because it can be changed into a prime (113555231213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30086940 + ... + 30090713.

It is an arithmetic number, because the mean of its divisors is an integer number (10290378834).

Almost surely, 2^113555231211 is an apocalyptic number.

113555231211 is a deficient number, since it is larger than the sum of its proper divisors (51090830133).

113555231211 is a wasteful number, since it uses less digits than its factorization.

113555231211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60177710.

The product of its digits is 4500, while the sum is 30.

Adding to 113555231211 its reverse (112132555311), we get a palindrome (225687786522).

The spelling of 113555231211 in words is "one hundred thirteen billion, five hundred fifty-five million, two hundred thirty-one thousand, two hundred eleven".