1543040104554 has 192 divisors, whose sum is σ = 3901118457600. Its totient is φ = 453555666432.

The previous prime is 1543040104553. The next prime is 1543040104579. The reversal of 1543040104554 is 4554010403451.

1543040104554 is a `hidden beast` number, since 1 + 54 + 3 + 0 + 40 + 10 + 4 + 554 = 666.

It is not an unprimeable number, because it can be changed into a prime (1543040104553) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 120458902 + ... + 120471710.

It is an arithmetic number, because the mean of its divisors is an integer number (20318325300).

Almost surely, 2^{1543040104554} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1543040104554, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1950559228800).

1543040104554 is an abundant number, since it is smaller than the sum of its proper divisors (2358078353046).

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

1543040104554 is a wasteful number, since it uses less digits than its factorization.

1543040104554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13691 (or 13679 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

The spelling of 1543040104554 in words is "one trillion, five hundred forty-three billion, forty million, one hundred four thousand, five hundred fifty-four".