11425550500 has 288 divisors, whose sum is σ = 32364390240. Its totient is φ = 3488486400.

The previous prime is 11425550453. The next prime is 11425550501. The reversal of 11425550500 is 505552411.

It can be written as a sum of positive squares in 16 ways, for example, as 8571426724 + 2854123776 = 92582^2 + 53424^2 .

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11425550501) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 9235882 + ... + 9237118.

It is an arithmetic number, because the mean of its divisors is an integer number (112376355).

Almost surely, 2^11425550500 is an apocalyptic number.

11425550500 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 11425550500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16182195120).

11425550500 is an abundant number, since it is smaller than the sum of its proper divisors (20938839740).

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

11425550500 is a wasteful number, since it uses less digits than its factorization.

11425550500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1312 (or 1293 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 28.

The spelling of 11425550500 in words is "eleven billion, four hundred twenty-five million, five hundred fifty thousand, five hundred".