1157065707 has 16 divisors (see below), whose sum is σ = 1764518912. Its totient is φ = 660666240.

The previous prime is 1157065703. The next prime is 1157065711. The reversal of 1157065707 is 7075607511.

It is an interprime number because it is at equal distance from previous prime (1157065703) and next prime (1157065711).

It is not a de Polignac number, because 1157065707 - 2² = 1157065703 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1157065703) 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, 7107 + ... + 48627.

It is an arithmetic number, because the mean of its divisors is an integer number (110282432).

Almost surely, 2^1157065707 is an apocalyptic number.

1157065707 is a deficient number, since it is larger than the sum of its proper divisors (607453205).

1157065707 is a wasteful number, since it uses less digits than its factorization.

1157065707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42858.

The product of its (nonzero) digits is 51450, while the sum is 39.

The square root of 1157065707 is about 34015.6685514191. The cubic root of 1157065707 is about 1049.8308743473.

It can be divided in two parts, 11570 and 65707, that added together give a palindrome (77277).

The spelling of 1157065707 in words is "one billion, one hundred fifty-seven million, sixty-five thousand, seven hundred seven".