1156350553 has 8 divisors (see below), whose sum is σ = 1248235200. Its totient is φ = 1067933328.

The previous prime is 1156350551. The next prime is 1156350607. The reversal of 1156350553 is 3550536511.

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

It is a cyclic number.

It is not a de Polignac number, because 1156350553 - 2¹ = 1156350551 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1156350551) 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, 866163 + ... + 867496.

It is an arithmetic number, because the mean of its divisors is an integer number (156029400).

Almost surely, 2^1156350553 is an apocalyptic number.

It is an amenable number.

1156350553 is a deficient number, since it is larger than the sum of its proper divisors (91884647).

1156350553 is a wasteful number, since it uses less digits than its factorization.

1156350553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1733711.

The product of its (nonzero) digits is 33750, while the sum is 34.

The square root of 1156350553 is about 34005.1548004122. The cubic root of 1156350553 is about 1049.6145381792.

The spelling of 1156350553 in words is "one billion, one hundred fifty-six million, three hundred fifty thousand, five hundred fifty-three".