11251523000 has 64 divisors (see below), whose sum is σ = 26561826720. Its totient is φ = 4460736000.

The previous prime is 11251522957. The next prime is 11251523009. The reversal of 11251523000 is 32515211.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11251523009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63215 + ... + 162785.

Almost surely, 2^11251523000 is an apocalyptic number.

11251523000 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 11251523000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13280913360).

11251523000 is an abundant number, since it is smaller than the sum of its proper divisors (15310303720).

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

11251523000 is a wasteful number, since it uses less digits than its factorization.

11251523000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99705 (or 99691 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

The spelling of 11251523000 in words is "eleven billion, two hundred fifty-one million, five hundred twenty-three thousand".