1161100643504 has 40 divisors (see below), whose sum is σ = 2269067770368. Its totient is φ = 575541711360.

The previous prime is 1161100643447. The next prime is 1161100643509. The reversal of 1161100643504 is 4053460011611.

It is not an unprimeable number, because it can be changed into a prime (1161100643509) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2467994 + ... + 2900550.

Almost surely, 2^{1161100643504} is an apocalyptic number.

It is an amenable number.

1161100643504 is a deficient number, since it is larger than the sum of its proper divisors (1107967126864).

1161100643504 is a wasteful number, since it uses less digits than its factorization.

1161100643504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434013 (or 434007 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The spelling of 1161100643504 in words is "one trillion, one hundred sixty-one billion, one hundred million, six hundred forty-three thousand, five hundred four".