1155132253527 has 24 divisors (see below), whose sum is σ = 1801642867200. Its totient is φ = 656387985456.

The previous prime is 1155132253519. The next prime is 1155132253537. The reversal of 1155132253527 is 7253522315511.

It is not a de Polignac number, because 1155132253527 - 2³ = 1155132253519 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1155132253537) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21923527 + ... + 21976152.

It is an arithmetic number, because the mean of its divisors is an integer number (75068452800).

Almost surely, 2^{1155132253527} is an apocalyptic number.

1155132253527 is a deficient number, since it is larger than the sum of its proper divisors (646510613673).

1155132253527 is a wasteful number, since it uses less digits than its factorization.

1155132253527 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43899875 (or 43899868 counting only the distinct ones).

The product of its digits is 315000, while the sum is 42.

The spelling of 1155132253527 in words is "one trillion, one hundred fifty-five billion, one hundred thirty-two million, two hundred fifty-three thousand, five hundred twenty-seven".