1156011606 has 24 divisors (see below), whose sum is σ = 2521285104. Its totient is φ = 382784400.

The previous prime is 1156011589. The next prime is 1156011631. The reversal of 1156011606 is 6061106511.

1156011606 is a `hidden beast` number, since 1 + 1 + 56 + 0 + 1 + 1 + 606 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 1156011606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 209941 + ... + 215376.

It is an arithmetic number, because the mean of its divisors is an integer number (105053546).

Almost surely, 2^1156011606 is an apocalyptic number.

1156011606 is an abundant number, since it is smaller than the sum of its proper divisors (1365273498).

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

1156011606 is a wasteful number, since it uses less digits than its factorization.

1156011606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425476 (or 425473 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 1156011606 is about 34000.1706760422. The cubic root of 1156011606 is about 1049.5119745682.

The spelling of 1156011606 in words is "one billion, one hundred fifty-six million, eleven thousand, six hundred six".