231241112454555 has 32 divisors (see below), whose sum is σ = 469823212608000. Its totient is φ = 105710222835936.

The previous prime is 231241112454503. The next prime is 231241112454619. The reversal of 231241112454555 is 555454211142132.

231241112454555 is a `hidden beast` number, since 2 + 3 + 1 + 2 + 41 + 1 + 1 + 2 + 4 + 54 + 555 = 666.

It is not a de Polignac number, because 231241112454555 - 2⁶ = 231241112454491 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 231241112454555.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 122349794005 + ... + 122349795894.

It is an arithmetic number, because the mean of its divisors is an integer number (14681975394000).

Almost surely, 2^{231241112454555} is an apocalyptic number.

231241112454555 is an abundant number, since it is smaller than the sum of its proper divisors (238582100153445).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231241112454555 is a wasteful number, since it uses less digits than its factorization.

231241112454555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244699589920 (or 244699589914 counting only the distinct ones).

The product of its digits is 960000, while the sum is 45.

Adding to 231241112454555 its reverse (555454211142132), we get a palindrome (786695323596687).

The spelling of 231241112454555 in words is "two hundred thirty-one trillion, two hundred forty-one billion, one hundred twelve million, four hundred fifty-four thousand, five hundred fifty-five".