1164631534012 has 24 divisors (see below), whose sum is σ = 2042777444400. Its totient is φ = 580981148160.

The previous prime is 1164631533979. The next prime is 1164631534081. The reversal of 1164631534012 is 2104351364611.

It is a super-2 number, since 2×1164631534012² (a number of 25 digits) contains 22 as substring.

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, 16980364 + ... + 17048812.

It is an arithmetic number, because the mean of its divisors is an integer number (85115726850).

Almost surely, 2^{1164631534012} is an apocalyptic number.

It is an amenable number.

1164631534012 is a deficient number, since it is larger than the sum of its proper divisors (878145910388).

1164631534012 is a wasteful number, since it uses less digits than its factorization.

1164631534012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78141 (or 78139 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 37.

Adding to 1164631534012 its reverse (2104351364611), we get a palindrome (3268982898623).

The spelling of 1164631534012 in words is "one trillion, one hundred sixty-four billion, six hundred thirty-one million, five hundred thirty-four thousand, twelve".