1157103163 has 4 divisors (see below), whose sum is σ = 1167343128. Its totient is φ = 1146863200.

The previous prime is 1157103119. The next prime is 1157103169. The reversal of 1157103163 is 3613017511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3613017511 = 47 ⋅76872713.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1157103163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1157103169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5119813 + ... + 5120038.

It is an arithmetic number, because the mean of its divisors is an integer number (291835782).

Almost surely, 2^1157103163 is an apocalyptic number.

1157103163 is a deficient number, since it is larger than the sum of its proper divisors (10239965).

1157103163 is a wasteful number, since it uses less digits than its factorization.

1157103163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10239964.

The product of its (nonzero) digits is 1890, while the sum is 28.

The square root of 1157103163 is about 34016.2191167684. The cubic root of 1157103163 is about 1049.8422024395.

The spelling of 1157103163 in words is "one billion, one hundred fifty-seven million, one hundred three thousand, one hundred sixty-three".