11426135500 has 144 divisors (see below), whose sum is σ = 28101973536. Its totient is φ = 4034236800.

The previous prime is 11426135473. The next prime is 11426135537. The reversal of 11426135500 is 553162411.

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, 3436839 + ... + 3440161.

It is an arithmetic number, because the mean of its divisors is an integer number (195152594).

Almost surely, 2^11426135500 is an apocalyptic number.

11426135500 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 11426135500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14050986768).

11426135500 is an abundant number, since it is smaller than the sum of its proper divisors (16675838036).

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

11426135500 is a wasteful number, since it uses less digits than its factorization.

11426135500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3401 (or 3366 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

Adding to 11426135500 its reverse (553162411), we get a palindrome (11979297911).

The spelling of 11426135500 in words is "eleven billion, four hundred twenty-six million, one hundred thirty-five thousand, five hundred".