1157433851 has 6 divisors (see below), whose sum is σ = 1346402700. Its totient is φ = 992086116.

The previous prime is 1157433839. The next prime is 1157433859. The reversal of 1157433851 is 1583347511.

It is not a de Polignac number, because 1157433851 - 2⁶ = 1157433787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1157433859) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11810501 + ... + 11810598.

It is an arithmetic number, because the mean of its divisors is an integer number (224400450).

Almost surely, 2^1157433851 is an apocalyptic number.

1157433851 is a deficient number, since it is larger than the sum of its proper divisors (188968849).

1157433851 is an equidigital number, since it uses as much as digits as its factorization.

1157433851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23621113 (or 23621106 counting only the distinct ones).

The product of its digits is 50400, while the sum is 38.

The square root of 1157433851 is about 34021.0795096217. The cubic root of 1157433851 is about 1049.9422042262.

The spelling of 1157433851 in words is "one billion, one hundred fifty-seven million, four hundred thirty-three thousand, eight hundred fifty-one".