1157300665 has 8 divisors (see below), whose sum is σ = 1389430728. Its totient is φ = 925393920.

The previous prime is 1157300611. The next prime is 1157300671. The reversal of 1157300665 is 5660037511.

It can be written as a sum of positive squares in 4 ways, for example, as 84934656 + 1072366009 = 9216^2 + 32747^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1157300665 - 2¹⁷ = 1157169593 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1157300665.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44206 + ... + 65335.

It is an arithmetic number, because the mean of its divisors is an integer number (173678841).

Almost surely, 2^1157300665 is an apocalyptic number.

It is an amenable number.

1157300665 is a deficient number, since it is larger than the sum of its proper divisors (232130063).

1157300665 is a wasteful number, since it uses less digits than its factorization.

1157300665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111659.

The product of its (nonzero) digits is 18900, while the sum is 34.

The square root of 1157300665 is about 34019.1220492240. The cubic root of 1157300665 is about 1049.9019303720.

The spelling of 1157300665 in words is "one billion, one hundred fifty-seven million, three hundred thousand, six hundred sixty-five".