231125111402211 has 32 divisors (see below), whose sum is σ = 374996559168000. Its totient is φ = 139820145607584.

The previous prime is 231125111402209. The next prime is 231125111402221. The reversal of 231125111402211 is 112204111521132.

231125111402211 is a `hidden beast` number, since 2 + 3 + 1 + 1 + 2 + 511 + 140 + 2 + 2 + 1 + 1 = 666.

It is not a de Polignac number, because 231125111402211 - 2¹ = 231125111402209 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (231125111402221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5580285231 + ... + 5580326648.

It is an arithmetic number, because the mean of its divisors is an integer number (11718642474000).

Almost surely, 2^{231125111402211} is an apocalyptic number.

231125111402211 is a deficient number, since it is larger than the sum of its proper divisors (143871447765789).

231125111402211 is a wasteful number, since it uses less digits than its factorization.

231125111402211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11160611960 (or 11160611954 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 27.

Adding to 231125111402211 its reverse (112204111521132), we get a palindrome (343329222923343).

The spelling of 231125111402211 in words is "two hundred thirty-one trillion, one hundred twenty-five billion, one hundred eleven million, four hundred two thousand, two hundred eleven".