11158099488 has 192 divisors, whose sum is σ = 33502170240. Its totient is φ = 3610828800.

The previous prime is 11158099453. The next prime is 11158099493. The reversal of 11158099488 is 88499085111.

11158099488 is a `hidden beast` number, since 1 + 1 + 158 + 0 + 9 + 9 + 488 = 666.

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 31 ways as a sum of consecutive naturals, for example, 8536531 + ... + 8537837.

It is an arithmetic number, because the mean of its divisors is an integer number (174490470).

Almost surely, 2^11158099488 is an apocalyptic number.

11158099488 is a gapful number since it is divisible by the number (18) 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 11158099488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16751085120).

11158099488 is an abundant number, since it is smaller than the sum of its proper divisors (22344070752).

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

11158099488 is a wasteful number, since it uses less digits than its factorization.

11158099488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1608 (or 1594 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 54.

The spelling of 11158099488 in words is "eleven billion, one hundred fifty-eight million, ninety-nine thousand, four hundred eighty-eight".