1131075621650 has 96 divisors (see below), whose sum is σ = 2293323217920. Its totient is φ = 412532651520.

The previous prime is 1131075621619. The next prime is 1131075621671. The reversal of 1131075621650 is 561265701311.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 62873957 + ... + 62891943.

It is an arithmetic number, because the mean of its divisors is an integer number (23888783520).

Almost surely, 2^{1131075621650} is an apocalyptic number.

1131075621650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1131075621650 is an abundant number, since it is smaller than the sum of its proper divisors (1162247596270).

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

1131075621650 is a wasteful number, since it uses less digits than its factorization.

1131075621650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19188 (or 19183 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 38.

The spelling of 1131075621650 in words is "one trillion, one hundred thirty-one billion, seventy-five million, six hundred twenty-one thousand, six hundred fifty".