6011521156 has 9 divisors (see below), whose sum is σ = 10520433399. Its totient is φ = 3005683044.

The previous prime is 6011521123. The next prime is 6011521189. The reversal of 6011521156 is 6511251106.

It is a happy number.

The square root of 6011521156 is 77534.

It is a perfect power (a square), and thus also a powerful number.

It is an interprime number because it is at equal distance from previous prime (6011521123) and next prime (6011521189).

It is a super-2 number, since 2×6011521156² = 72276773218071152672, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 135685 + ... + 174451.

Almost surely, 2^6011521156 is an apocalyptic number.

6011521156 is the 77534-th square number.

It is an amenable number.

6011521156 is a deficient number, since it is larger than the sum of its proper divisors (4508912243).

6011521156 is an frugal number, since it uses more digits than its factorization.

6011521156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77538 (or 38769 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 28.

The cubic root of 6011521156 is about 1818.2829230622.

The spelling of 6011521156 in words is "six billion, eleven million, five hundred twenty-one thousand, one hundred fifty-six".