1151506156 has 24 divisors (see below), whose sum is σ = 2120088096. Its totient is φ = 546526080.

The previous prime is 1151506141. The next prime is 1151506171. The reversal of 1151506156 is 6516051511.

It is an interprime number because it is at equal distance from previous prime (1151506141) and next prime (1151506171).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88816 + ... + 100951.

It is an arithmetic number, because the mean of its divisors is an integer number (88337004).

Almost surely, 2^1151506156 is an apocalyptic number.

It is an amenable number.

1151506156 is a deficient number, since it is larger than the sum of its proper divisors (968581940).

1151506156 is a wasteful number, since it uses less digits than its factorization.

1151506156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189849 (or 189847 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 31.

The square root of 1151506156 is about 33933.8497079244. The cubic root of 1151506156 is about 1048.1467402765.

Adding to 1151506156 its reverse (6516051511), we get a palindrome (7667557667).

The spelling of 1151506156 in words is "one billion, one hundred fifty-one million, five hundred six thousand, one hundred fifty-six".