1155553036 has 48 divisors (see below), whose sum is σ = 2357419680. Its totient is φ = 489784320.

The previous prime is 1155553033. The next prime is 1155553067. The reversal of 1155553036 is 6303555511.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 1155552992 and 1155553010.

It is not an unprimeable number, because it can be changed into a prime (1155553033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74446 + ... + 88618.

It is an arithmetic number, because the mean of its divisors is an integer number (49112910).

Almost surely, 2^1155553036 is an apocalyptic number.

It is an amenable number.

1155553036 is an abundant number, since it is smaller than the sum of its proper divisors (1201866644).

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

1155553036 is a wasteful number, since it uses less digits than its factorization.

1155553036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14314 (or 14312 counting only the distinct ones).

The product of its (nonzero) digits is 33750, while the sum is 34.

The square root of 1155553036 is about 33993.4263645194. The cubic root of 1155553036 is about 1049.3731817408.

The spelling of 1155553036 in words is "one billion, one hundred fifty-five million, five hundred fifty-three thousand, thirty-six".