1156338051 has 8 divisors (see below), whose sum is σ = 1681946304. Its totient is φ = 700810920.

The previous prime is 1156338013. The next prime is 1156338061. The reversal of 1156338051 is 1508336511.

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

It is not a de Polignac number, because 1156338051 - 2¹¹ = 1156336003 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 35040547 = 1156338051 / (1 + 1 + 5 + 6 + 3 + 3 + 8 + 0 + 5 + 1).

It is not an unprimeable number, because it can be changed into a prime (1156338061) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 17520241 + ... + 17520306.

It is an arithmetic number, because the mean of its divisors is an integer number (210243288).

Almost surely, 2^1156338051 is an apocalyptic number.

1156338051 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1156338051 is a deficient number, since it is larger than the sum of its proper divisors (525608253).

1156338051 is a wasteful number, since it uses less digits than its factorization.

1156338051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35040561.

The product of its (nonzero) digits is 10800, while the sum is 33.

The square root of 1156338051 is about 34004.9709748443. The cubic root of 1156338051 is about 1049.6107554946.

The spelling of 1156338051 in words is "one billion, one hundred fifty-six million, three hundred thirty-eight thousand, fifty-one".