1153557079 has 2 divisors, whose sum is σ = 1153557080. Its totient is φ = 1153557078.

The previous prime is 1153557037. The next prime is 1153557107. The reversal of 1153557079 is 9707553511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1153557079 - 2⁹ = 1153556567 is a prime.

It is a super-2 number, since 2×1153557079² = 2661387869022024482, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1153557179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 576778539 + 576778540.

It is an arithmetic number, because the mean of its divisors is an integer number (576778540).

Almost surely, 2^1153557079 is an apocalyptic number.

1153557079 is a deficient number, since it is larger than the sum of its proper divisors (1).

1153557079 is an equidigital number, since it uses as much as digits as its factorization.

1153557079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 165375, while the sum is 43.

The square root of 1153557079 is about 33964.0556912746. The cubic root of 1153557079 is about 1048.7686484514.

The spelling of 1153557079 in words is "one billion, one hundred fifty-three million, five hundred fifty-seven thousand, seventy-nine".