1131125623311 has 4 divisors (see below), whose sum is σ = 1508167497752. Its totient is φ = 754083748872.

The previous prime is 1131125623291. The next prime is 1131125623339. The reversal of 1131125623311 is 1133265211311.

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

It is not a de Polignac number, because 1131125623311 - 2²⁵ = 1131092068879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131125623351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188520937216 + ... + 188520937221.

It is an arithmetic number, because the mean of its divisors is an integer number (377041874438).

Almost surely, 2^{1131125623311} is an apocalyptic number.

1131125623311 is a deficient number, since it is larger than the sum of its proper divisors (377041874441).

1131125623311 is an equidigital number, since it uses as much as digits as its factorization.

1131125623311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377041874440.

The product of its digits is 3240, while the sum is 30.

The spelling of 1131125623311 in words is "one trillion, one hundred thirty-one billion, one hundred twenty-five million, six hundred twenty-three thousand, three hundred eleven".