1162111880644 has 96 divisors (see below), whose sum is σ = 2415292903296. Its totient is φ = 482287841280.

The previous prime is 1162111880609. The next prime is 1162111880693. The reversal of 1162111880644 is 4460881112611.

It is a super-4 number, since 4×1162111880644⁴ (a number of 49 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1162111880644.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 112460902 + ... + 112471234.

It is an arithmetic number, because the mean of its divisors is an integer number (25159301076).

Almost surely, 2^{1162111880644} is an apocalyptic number.

It is an amenable number.

1162111880644 is an abundant number, since it is smaller than the sum of its proper divisors (1253181022652).

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

1162111880644 is a wasteful number, since it uses less digits than its factorization.

1162111880644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12485 (or 12483 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 43.

The spelling of 1162111880644 in words is "one trillion, one hundred sixty-two billion, one hundred eleven million, eight hundred eighty thousand, six hundred forty-four".