11145552055500 has 96 divisors (see below), whose sum is σ = 32496573590208. Its totient is φ = 2968417728000.

The previous prime is 11145552055493. The next prime is 11145552055507. The reversal of 11145552055500 is 555025554111.

It is an interprime number because it is at equal distance from previous prime (11145552055493) and next prime (11145552055507).

It is not an unprimeable number, because it can be changed into a prime (11145552055507) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3465961 + ... + 5856960.

It is an arithmetic number, because the mean of its divisors is an integer number (338505974898).

Almost surely, 2^{11145552055500} is an apocalyptic number.

11145552055500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11145552055500 is an abundant number, since it is smaller than the sum of its proper divisors (21351021534708).

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

11145552055500 is a wasteful number, since it uses less digits than its factorization.

11145552055500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9323740 (or 9323728 counting only the distinct ones).

The product of its (nonzero) digits is 125000, while the sum is 39.

The spelling of 11145552055500 in words is "eleven trillion, one hundred forty-five billion, five hundred fifty-two million, fifty-five thousand, five hundred".