11251074554440 has 64 divisors (see below), whose sum is σ = 29081237996160. Its totient is φ = 3837524152320.

The previous prime is 11251074554411. The next prime is 11251074554441. The reversal of 11251074554440 is 4445547015211.

It is not an unprimeable number, because it can be changed into a prime (11251074554441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104045466 + ... + 104153545.

It is an arithmetic number, because the mean of its divisors is an integer number (454394343690).

Almost surely, 2^{11251074554440} is an apocalyptic number.

11251074554440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11251074554440 is an abundant number, since it is smaller than the sum of its proper divisors (17830163441720).

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

11251074554440 is a wasteful number, since it uses less digits than its factorization.

11251074554440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208199222 (or 208199218 counting only the distinct ones).

The product of its (nonzero) digits is 448000, while the sum is 43.

The spelling of 11251074554440 in words is "eleven trillion, two hundred fifty-one billion, seventy-four million, five hundred fifty-four thousand, four hundred forty".