1161150928 has 40 divisors (see below), whose sum is σ = 2575603008. Its totient is φ = 496768512.

The previous prime is 1161150919. The next prime is 1161150931. The reversal of 1161150928 is 8290511611.

It is a super-2 number, since 2×1161150928² = 2696542955190522368, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1161150893 and 1161150902.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57675 + ... + 75157.

Almost surely, 2^1161150928 is an apocalyptic number.

It is an amenable number.

1161150928 is an abundant number, since it is smaller than the sum of its proper divisors (1414452080).

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

1161150928 is a wasteful number, since it uses less digits than its factorization.

1161150928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18091 (or 18085 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 34.

The square root of 1161150928 is about 34075.6647477346. The cubic root of 1161150928 is about 1051.0649597139.

The spelling of 1161150928 in words is "one billion, one hundred sixty-one million, one hundred fifty thousand, nine hundred twenty-eight".