1153112550 has 48 divisors (see below), whose sum is σ = 3027944592. Its totient is φ = 289408000.

The previous prime is 1153112539. The next prime is 1153112551. The reversal of 1153112550 is 552113511.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1153112550.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1153112551) 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, 223551 + ... + 228650.

It is an arithmetic number, because the mean of its divisors is an integer number (63082179).

Almost surely, 2^1153112550 is an apocalyptic number.

1153112550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1153112550 is an abundant number, since it is smaller than the sum of its proper divisors (1874832042).

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

1153112550 is a wasteful number, since it uses less digits than its factorization.

1153112550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452233 (or 452228 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 24.

The square root of 1153112550 is about 33957.5109511872. The cubic root of 1153112550 is about 1048.6339150588.

The spelling of 1153112550 in words is "one billion, one hundred fifty-three million, one hundred twelve thousand, five hundred fifty".