1156113108 has 24 divisors (see below), whose sum is σ = 2997330560. Its totient is φ = 385371000.

The previous prime is 1156113103. The next prime is 1156113113. The reversal of 1156113108 is 8013116511.

It is a happy number.

1156113108 is a `hidden beast` number, since 1 + 15 + 611 + 31 + 0 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (1156113103) and next prime (1156113113).

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 (1156113103) 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, 5352268 + ... + 5352483.

Almost surely, 2^1156113108 is an apocalyptic number.

1156113108 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1156113108 is an abundant number, since it is smaller than the sum of its proper divisors (1841217452).

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

1156113108 is a wasteful number, since it uses less digits than its factorization.

1156113108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10704764 (or 10704756 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 27.

The square root of 1156113108 is about 34001.6633122558. The cubic root of 1156113108 is about 1049.5426906517.

Adding to 1156113108 its reverse (8013116511), we get a palindrome (9169229619).

The spelling of 1156113108 in words is "one billion, one hundred fifty-six million, one hundred thirteen thousand, one hundred eight".