11355354440 has 16 divisors (see below), whose sum is σ = 25549547580. Its totient is φ = 4542141760.

The previous prime is 11355354433. The next prime is 11355354457. The reversal of 11355354440 is 4445355311.

It can be written as a sum of positive squares in 2 ways, for example, as 11275466596 + 79887844 = 106186^2 + 8938^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11355354440.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141941891 + ... + 141941970.

Almost surely, 2^11355354440 is an apocalyptic number.

11355354440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11355354440 is an abundant number, since it is smaller than the sum of its proper divisors (14194193140).

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

11355354440 is a wasteful number, since it uses less digits than its factorization.

11355354440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283883872 (or 283883868 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

The spelling of 11355354440 in words is "eleven billion, three hundred fifty-five million, three hundred fifty-four thousand, four hundred forty".