11531253360 has 160 divisors (see below), whose sum is σ = 39062999808. Its totient is φ = 2790696960.

The previous prime is 11531253359. The next prime is 11531253367. The reversal of 11531253360 is 6335213511.

It is a super-2 number, since 2×11531253360² (a number of 21 digits) contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11531253367) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1694124 + ... + 1700916.

Almost surely, 2^11531253360 is an apocalyptic number.

11531253360 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 11531253360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19531499904).

11531253360 is an abundant number, since it is smaller than the sum of its proper divisors (27531746448).

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

11531253360 is a wasteful number, since it uses less digits than its factorization.

11531253360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7463 (or 7457 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 30.

Adding to 11531253360 its reverse (6335213511), we get a palindrome (17866466871).

The spelling of 11531253360 in words is "eleven billion, five hundred thirty-one million, two hundred fifty-three thousand, three hundred sixty".