1156506006 has 16 divisors (see below), whose sum is σ = 2313391104. Its totient is φ = 385438824.

The previous prime is 1156505963. The next prime is 1156506019. The reversal of 1156506006 is 6006056511.

It is a super-2 number, since 2×1156506006² = 2675012283828144072, which contains 22 as substring.

It is a congruent number.

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, 37915 + ... + 61241.

It is an arithmetic number, because the mean of its divisors is an integer number (144586944).

Almost surely, 2^1156506006 is an apocalyptic number.

1156506006 is an abundant number, since it is smaller than the sum of its proper divisors (1156885098).

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

1156506006 is a wasteful number, since it uses less digits than its factorization.

1156506006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31595.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 1156506006 is about 34007.4404505838. The cubic root of 1156506006 is about 1049.6615707500.

The spelling of 1156506006 in words is "one billion, one hundred fifty-six million, five hundred six thousand, six".