1157046111 has 12 divisors (see below), whose sum is σ = 1799849688. Its totient is φ = 712028304.

The previous prime is 1157046101. The next prime is 1157046113. The reversal of 1157046111 is 1116407511.

It is not a de Polignac number, because 1157046111 - 2⁹ = 1157045599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1157046113) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4944525 + ... + 4944758.

It is an arithmetic number, because the mean of its divisors is an integer number (149987474).

Almost surely, 2^1157046111 is an apocalyptic number.

1157046111 is a deficient number, since it is larger than the sum of its proper divisors (642803577).

1157046111 is a wasteful number, since it uses less digits than its factorization.

1157046111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9889302 (or 9889299 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 27.

The square root of 1157046111 is about 34015.3805064709. The cubic root of 1157046111 is about 1049.8249476883.

The spelling of 1157046111 in words is "one billion, one hundred fifty-seven million, forty-six thousand, one hundred eleven".