1155057436 has 24 divisors (see below), whose sum is σ = 2177933184. Its totient is φ = 532835520.

The previous prime is 1155057433. The next prime is 1155057467. The reversal of 1155057436 is 6347505511.

It is a junction number, because it is equal to n+sod(n) for n = 1155057395 and 1155057404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1155057433) 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, 130446 + ... + 139018.

It is an arithmetic number, because the mean of its divisors is an integer number (90747216).

Almost surely, 2^1155057436 is an apocalyptic number.

It is an amenable number.

1155057436 is a deficient number, since it is larger than the sum of its proper divisors (1022875748).

1155057436 is a wasteful number, since it uses less digits than its factorization.

1155057436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11181 (or 11179 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 37.

The square root of 1155057436 is about 33986.1359380557. The cubic root of 1155057436 is about 1049.2231399569.

It can be divided in two parts, 11550 and 57436, that added together give a palindrome (68986).

The spelling of 1155057436 in words is "one billion, one hundred fifty-five million, fifty-seven thousand, four hundred thirty-six".