1150255998 has 32 divisors (see below), whose sum is σ = 2586931200. Its totient is φ = 378797688.

The previous prime is 1150255987. The next prime is 1150256021. The reversal of 1150255998 is 8995520511.

1150255998 is a `hidden beast` number, since 1 + 1 + 5 + 0 + 2 + 559 + 98 = 666.

It is a super-4 number, since 4×1150255998⁴ (a number of 37 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123838 + ... + 132801.

It is an arithmetic number, because the mean of its divisors is an integer number (80841600).

Almost surely, 2^1150255998 is an apocalyptic number.

1150255998 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1150255998 is an abundant number, since it is smaller than the sum of its proper divisors (1436675202).

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

1150255998 is a wasteful number, since it uses less digits than its factorization.

1150255998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256733 (or 256727 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 45.

The square root of 1150255998 is about 33915.4241901823. The cubic root of 1150255998 is about 1047.7672883981.

The spelling of 1150255998 in words is "one billion, one hundred fifty million, two hundred fifty-five thousand, nine hundred ninety-eight".