11354487001780 has 36 divisors (see below), whose sum is σ = 25819700331852. Its totient is φ = 4192425968640.

The previous prime is 11354487001729. The next prime is 11354487001807. The reversal of 11354487001780 is 8710078445311.

It can be written as a sum of positive squares in 6 ways, for example, as 1743767788324 + 9610719213456 = 1320518^2 + 3100116^2 .

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 1679654461 + ... + 1679661220.

It is an arithmetic number, because the mean of its divisors is an integer number (717213898107).

Almost surely, 2^{11354487001780} is an apocalyptic number.

11354487001780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11354487001780 is an abundant number, since it is smaller than the sum of its proper divisors (14465213330072).

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

11354487001780 is a wasteful number, since it uses less digits than its factorization.

11354487001780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3359315716 (or 3359315701 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 49.

The spelling of 11354487001780 in words is "eleven trillion, three hundred fifty-four billion, four hundred eighty-seven million, one thousand, seven hundred eighty".