13855320001554 has 64 divisors (see below), whose sum is σ = 29231074679040. Its totient is φ = 4372168147200.

The previous prime is 13855320001547. The next prime is 13855320001571. The reversal of 13855320001554 is 45510002355831.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2017057 + ... + 5637300.

It is an arithmetic number, because the mean of its divisors is an integer number (456735541860).

Almost surely, 2^{13855320001554} is an apocalyptic number.

13855320001554 is an abundant number, since it is smaller than the sum of its proper divisors (15375754677486).

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

13855320001554 is a wasteful number, since it uses less digits than its factorization.

13855320001554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7654595.

The product of its (nonzero) digits is 360000, while the sum is 42.

The spelling of 13855320001554 in words is "thirteen trillion, eight hundred fifty-five billion, three hundred twenty million, one thousand, five hundred fifty-four".