11158897932 has 480 divisors, whose sum is σ = 37764220032. Its totient is φ = 2794881024.

The previous prime is 11158897927. The next prime is 11158897943. The reversal of 11158897932 is 23979885111.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 57818028 + ... + 57818220.

Almost surely, 2^11158897932 is an apocalyptic number.

11158897932 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11158897932, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18882110016).

11158897932 is an abundant number, since it is smaller than the sum of its proper divisors (26605322100).

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

11158897932 is a wasteful number, since it uses less digits than its factorization.

11158897932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319 (or 308 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 54.

The spelling of 11158897932 in words is "eleven billion, one hundred fifty-eight million, eight hundred ninety-seven thousand, nine hundred thirty-two".