1157046899 has 2 divisors, whose sum is σ = 1157046900. Its totient is φ = 1157046898.

The previous prime is 1157046887. The next prime is 1157046907. The reversal of 1157046899 is 9986407511.

It is a strong prime.

It is an emirp because it is prime and its reverse (9986407511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1157046899 - 2²⁸ = 888611443 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1157046829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 578523449 + 578523450.

It is an arithmetic number, because the mean of its divisors is an integer number (578523450).

Almost surely, 2^1157046899 is an apocalyptic number.

1157046899 is a deficient number, since it is larger than the sum of its proper divisors (1).

1157046899 is an equidigital number, since it uses as much as digits as its factorization.

1157046899 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 544320, while the sum is 50.

The square root of 1157046899 is about 34015.3920894644. The cubic root of 1157046899 is about 1049.8251860141.

The spelling of 1157046899 in words is "one billion, one hundred fifty-seven million, forty-six thousand, eight hundred ninety-nine".