11354499520 has 336 divisors, whose sum is σ = 34543581408. Its totient is φ = 3522355200.

The previous prime is 11354499509. The next prime is 11354499593. The reversal of 11354499520 is 2599445311.

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, 10802995 + ... + 10804045.

It is an arithmetic number, because the mean of its divisors is an integer number (102808278).

Almost surely, 2^11354499520 is an apocalyptic number.

11354499520 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 11354499520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17271790704).

11354499520 is an abundant number, since it is smaller than the sum of its proper divisors (23189081888).

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

11354499520 is a wasteful number, since it uses less digits than its factorization.

11354499520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1148 (or 1131 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 43.

The spelling of 11354499520 in words is "eleven billion, three hundred fifty-four million, four hundred ninety-nine thousand, five hundred twenty".