1155600601 has 2 divisors, whose sum is σ = 1155600602. Its totient is φ = 1155600600.

The previous prime is 1155600599. The next prime is 1155600623. The reversal of 1155600601 is 1060065511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1065369600 + 90231001 = 32640^2 + 9499^2 .

It is a cyclic number.

It is not a de Polignac number, because 1155600601 - 2¹ = 1155600599 is a prime.

It is a super-2 number, since 2×1155600601² = 2670825498063122402, which contains 22 as substring.

Together with 1155600599, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1155600631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 577800300 + 577800301.

It is an arithmetic number, because the mean of its divisors is an integer number (577800301).

Almost surely, 2^1155600601 is an apocalyptic number.

It is an amenable number.

1155600601 is a deficient number, since it is larger than the sum of its proper divisors (1).

1155600601 is an equidigital number, since it uses as much as digits as its factorization.

1155600601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 900, while the sum is 25.

The square root of 1155600601 is about 33994.1259778804. The cubic root of 1155600601 is about 1049.3875796810.

The spelling of 1155600601 in words is "one billion, one hundred fifty-five million, six hundred thousand, six hundred one".