1105159972 has 12 divisors (see below), whose sum is σ = 2210320000. Its totient is φ = 473639976.

The previous prime is 1105159933. The next prime is 1105159999. The reversal of 1105159972 is 2799515011.

1105159972 is an admirable number.

It is a super-2 number, since 2×1105159972² = 2442757127422081568, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19734972 + ... + 19735027.

Almost surely, 2^1105159972 is an apocalyptic number.

It is an amenable number.

1105159972 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1105159972 is a wasteful number, since it uses less digits than its factorization.

1105159972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39470010 (or 39470008 counting only the distinct ones).

The product of its (nonzero) digits is 28350, while the sum is 40.

The square root of 1105159972 is about 33243.9463962990. The cubic root of 1105159972 is about 1033.8917001256.

The spelling of 1105159972 in words is "one billion, one hundred five million, one hundred fifty-nine thousand, nine hundred seventy-two".