1150026255 has 80 divisors (see below), whose sum is σ = 2367503424. Its totient is φ = 523169280.

The previous prime is 1150026247. The next prime is 1150026259. The reversal of 1150026255 is 5526200511.

It is not a de Polignac number, because 1150026255 - 2³ = 1150026247 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1150026259) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 659685 + ... + 661425.

Almost surely, 2^1150026255 is an apocalyptic number.

1150026255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1150026255 is an abundant number, since it is smaller than the sum of its proper divisors (1217477169).

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

1150026255 is a wasteful number, since it uses less digits than its factorization.

1150026255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1998 (or 1989 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 1150026255 is about 33912.0370222728. The cubic root of 1150026255 is about 1047.6975261803.

Adding to 1150026255 its reverse (5526200511), we get a palindrome (6676226766).

The spelling of 1150026255 in words is "one billion, one hundred fifty million, twenty-six thousand, two hundred fifty-five".