1111858907072 has 14 divisors (see below), whose sum is σ = 2206345018848. Its totient is φ = 555929453504.

The previous prime is 1111858907051. The next prime is 1111858907143. The reversal of 1111858907072 is 2707098581111.

It is a super-2 number, since 2×1111858907072² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1111858907072.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8686397648 + ... + 8686397775.

Almost surely, 2^{1111858907072} is an apocalyptic number.

It is an amenable number.

1111858907072 is a deficient number, since it is larger than the sum of its proper divisors (1094486111776).

1111858907072 is an equidigital number, since it uses as much as digits as its factorization.

1111858907072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17372795435 (or 17372795425 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 50.

The spelling of 1111858907072 in words is "one trillion, one hundred eleven billion, eight hundred fifty-eight million, nine hundred seven thousand, seventy-two".