11154305040 has 80 divisors (see below), whose sum is σ = 34612028736. Its totient is φ = 2971584000.

The previous prime is 11154305039. The next prime is 11154305051. The reversal of 11154305040 is 4050345111.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 11154305040.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 230130 + ... + 274350.

Almost surely, 2^11154305040 is an apocalyptic number.

11154305040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11154305040 is an abundant number, since it is smaller than the sum of its proper divisors (23457723696).

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

11154305040 is a wasteful number, since it uses less digits than its factorization.

11154305040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45288 (or 45282 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The spelling of 11154305040 in words is "eleven billion, one hundred fifty-four million, three hundred five thousand, forty".