1131430540664 has 32 divisors (see below), whose sum is σ = 2123341153920. Its totient is φ = 565206416736.

The previous prime is 1131430540649. The next prime is 1131430540733. The reversal of 1131430540664 is 4660450341311.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74296619 + ... + 74311845.

It is an arithmetic number, because the mean of its divisors is an integer number (66354411060).

Almost surely, 2^{1131430540664} is an apocalyptic number.

It is an amenable number.

1131430540664 is a deficient number, since it is larger than the sum of its proper divisors (991910613256).

1131430540664 is a wasteful number, since it uses less digits than its factorization.

1131430540664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22979 (or 22975 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 38.

Adding to 1131430540664 its reverse (4660450341311), we get a palindrome (5791880881975).

The spelling of 1131430540664 in words is "one trillion, one hundred thirty-one billion, four hundred thirty million, five hundred forty thousand, six hundred sixty-four".