1156295628 has 48 divisors (see below), whose sum is σ = 3067532160. Its totient is φ = 376466832.

The previous prime is 1156295603. The next prime is 1156295639. The reversal of 1156295628 is 8265926511.

1156295628 is a `hidden beast` number, since 1 + 15 + 6 + 2 + 9 + 5 + 628 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119850 + ... + 129137.

It is an arithmetic number, because the mean of its divisors is an integer number (63906920).

Almost surely, 2^1156295628 is an apocalyptic number.

1156295628 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1156295628 is an abundant number, since it is smaller than the sum of its proper divisors (1911236532).

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

1156295628 is a wasteful number, since it uses less digits than its factorization.

1156295628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249043 (or 249035 counting only the distinct ones).

The product of its digits is 259200, while the sum is 45.

The square root of 1156295628 is about 34004.3471926752. The cubic root of 1156295628 is about 1049.5979195188.

The spelling of 1156295628 in words is "one billion, one hundred fifty-six million, two hundred ninety-five thousand, six hundred twenty-eight".