1555133400541 has 8 divisors (see below), whose sum is σ = 1784923193664. Its totient is φ = 1327250577120.

The previous prime is 1555133400533. The next prime is 1555133400589. The reversal of 1555133400541 is 1450043315551.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1555133400541 - 2³ = 1555133400533 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1555133400541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1555133401541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 476740675 + ... + 476743936.

It is an arithmetic number, because the mean of its divisors is an integer number (223115399208).

Almost surely, 2^{1555133400541} is an apocalyptic number.

It is an amenable number.

1555133400541 is a deficient number, since it is larger than the sum of its proper divisors (229789793123).

1555133400541 is an equidigital number, since it uses as much as digits as its factorization.

1555133400541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 953484851.

The product of its (nonzero) digits is 90000, while the sum is 37.

The spelling of 1555133400541 in words is "one trillion, five hundred fifty-five billion, one hundred thirty-three million, four hundred thousand, five hundred forty-one".