11551110355140 has 24 divisors (see below), whose sum is σ = 32343108994560. Its totient is φ = 3080296094688.

The previous prime is 11551110355093. The next prime is 11551110355217. The reversal of 11551110355140 is 4155301115511.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96259252900 + ... + 96259253019.

It is an arithmetic number, because the mean of its divisors is an integer number (1347629541440).

Almost surely, 2^{11551110355140} is an apocalyptic number.

11551110355140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11551110355140 is an abundant number, since it is smaller than the sum of its proper divisors (20791998639420).

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

11551110355140 is a wasteful number, since it uses less digits than its factorization.

11551110355140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192518505931 (or 192518505929 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 33.

The spelling of 11551110355140 in words is "eleven trillion, five hundred fifty-one billion, one hundred ten million, three hundred fifty-five thousand, one hundred forty".