1156638802 has 8 divisors (see below), whose sum is σ = 1892681712. Its totient is φ = 525744900.

The previous prime is 1156638793. The next prime is 1156638841. The reversal of 1156638802 is 2088366511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26287224 + ... + 26287267.

It is an arithmetic number, because the mean of its divisors is an integer number (236585214).

Almost surely, 2^1156638802 is an apocalyptic number.

1156638802 is a deficient number, since it is larger than the sum of its proper divisors (736042910).

1156638802 is a wasteful number, since it uses less digits than its factorization.

1156638802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52574504.

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 1156638802 is about 34009.3928496232. The cubic root of 1156638802 is about 1049.7017450688.

The spelling of 1156638802 in words is "one billion, one hundred fifty-six million, six hundred thirty-eight thousand, eight hundred two".