1155113562 has 16 divisors (see below), whose sum is σ = 2320407072. Its totient is φ = 383341200.

The previous prime is 1155113551. The next prime is 1155113563. The reversal of 1155113562 is 2653115511.

It is a super-2 number, since 2×1155113562² = 2668574682232655688, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1155113563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 422689 + ... + 425412.

It is an arithmetic number, because the mean of its divisors is an integer number (145025442).

Almost surely, 2^1155113562 is an apocalyptic number.

1155113562 is an abundant number, since it is smaller than the sum of its proper divisors (1165293510).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1155113562 is a wasteful number, since it uses less digits than its factorization.

1155113562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 848333.

The product of its digits is 4500, while the sum is 30.

The square root of 1155113562 is about 33986.9616470787. The cubic root of 1155113562 is about 1049.2401341318.

The spelling of 1155113562 in words is "one billion, one hundred fifty-five million, one hundred thirteen thousand, five hundred sixty-two".