1157111067 has 16 divisors (see below), whose sum is σ = 1764161280. Its totient is φ = 660852192.

The previous prime is 1157111063. The next prime is 1157111089. The reversal of 1157111067 is 7601117511.

It is not a de Polignac number, because 1157111067 - 2² = 1157111063 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1157111063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28309 + ... + 55817.

It is an arithmetic number, because the mean of its divisors is an integer number (110260080).

Almost surely, 2^1157111067 is an apocalyptic number.

1157111067 is a deficient number, since it is larger than the sum of its proper divisors (607050213).

1157111067 is a wasteful number, since it uses less digits than its factorization.

1157111067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29522.

The product of its (nonzero) digits is 1470, while the sum is 30.

The square root of 1157111067 is about 34016.3352964425. The cubic root of 1157111067 is about 1049.8445928728.

Adding to 1157111067 its reverse (7601117511), we get a palindrome (8758228578).

The spelling of 1157111067 in words is "one billion, one hundred fifty-seven million, one hundred eleven thousand, sixty-seven".