11425412500 has 144 divisors (see below), whose sum is σ = 26707665600. Its totient is φ = 4263840000.

The previous prime is 11425412473. The next prime is 11425412539. The reversal of 11425412500 is 521452411.

11425412500 = T₁₇₆₅₆ + T₁₇₆₅₇ + ... + T₁₇₇₂₈.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17337171 + ... + 17337829.

It is an arithmetic number, because the mean of its divisors is an integer number (185469900).

Almost surely, 2^11425412500 is an apocalyptic number.

11425412500 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 11425412500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13353832800).

11425412500 is an abundant number, since it is smaller than the sum of its proper divisors (15282253100).

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

11425412500 is an equidigital number, since it uses as much as digits as its factorization.

11425412500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 780 (or 758 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

Adding to 11425412500 its reverse (521452411), we get a palindrome (11946864911).

The spelling of 11425412500 in words is "eleven billion, four hundred twenty-five million, four hundred twelve thousand, five hundred".