11159972 has 6 divisors (see below), whose sum is σ = 19529958. Its totient is φ = 5579984.

The previous prime is 11159971. The next prime is 11160013. The reversal of 11159972 is 27995111.

It can be written as a sum of positive squares in only one way, i.e., 10719076 + 440896 = 3274^2 + 664^2 .

It is not an unprimeable number, because it can be changed into a prime (11159971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1394993 + ... + 1395000.

It is an arithmetic number, because the mean of its divisors is an integer number (3254993).

Almost surely, 2^11159972 is an apocalyptic number.

It is an amenable number.

11159972 is a deficient number, since it is larger than the sum of its proper divisors (8369986).

11159972 is a wasteful number, since it uses less digits than its factorization.

11159972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2789997 (or 2789995 counting only the distinct ones).

The product of its digits is 5670, while the sum is 35.

The square root of 11159972 is about 3340.6544269050. The cubic root of 11159972 is about 223.4709292933.

The spelling of 11159972 in words is "eleven million, one hundred fifty-nine thousand, nine hundred seventy-two".