11156253600 has 288 divisors, whose sum is σ = 38060064000. Its totient is φ = 2834657280.

The previous prime is 11156253547. The next prime is 11156253601. The reversal of 11156253600 is 635265111.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (11156253601) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5497386 + ... + 5499414.

It is an arithmetic number, because the mean of its divisors is an integer number (132153000).

Almost surely, 2^11156253600 is an apocalyptic number.

11156253600 is a gapful number since it is divisible by the number (10) 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 11156253600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19030032000).

11156253600 is an abundant number, since it is smaller than the sum of its proper divisors (26903810400).

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

11156253600 is a wasteful number, since it uses less digits than its factorization.

11156253600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2160 (or 2147 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

The spelling of 11156253600 in words is "eleven billion, one hundred fifty-six million, two hundred fifty-three thousand, six hundred".