11251153536 has 64 divisors (see below), whose sum is σ = 34155295680. Its totient is φ = 3214614528.

The previous prime is 11251153517. The next prime is 11251153541. The reversal of 11251153536 is 63535115211.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 11251153497 and 11251153506.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2090161 + ... + 2095536.

It is an arithmetic number, because the mean of its divisors is an integer number (533676495).

Almost surely, 2^11251153536 is an apocalyptic number.

11251153536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11251153536 is an abundant number, since it is smaller than the sum of its proper divisors (22904142144).

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

11251153536 is an equidigital number, since it uses as much as digits as its factorization.

11251153536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4185721 (or 4185709 counting only the distinct ones).

The product of its digits is 13500, while the sum is 33.

Adding to 11251153536 its reverse (63535115211), we get a palindrome (74786268747).

The spelling of 11251153536 in words is "eleven billion, two hundred fifty-one million, one hundred fifty-three thousand, five hundred thirty-six".