1421555055000 has 80 divisors (see below), whose sum is σ = 4440938038680. Its totient is φ = 379081344000.

The previous prime is 1421555054989. The next prime is 1421555055017. The reversal of 1421555055000 is 5505551241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 47370169 + ... + 47400168.

Almost surely, 2^{1421555055000} is an apocalyptic number.

1421555055000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1421555055000 is an abundant number, since it is smaller than the sum of its proper divisors (3019382983680).

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

1421555055000 is an equidigital number, since it uses as much as digits as its factorization.

1421555055000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94770366 (or 94770347 counting only the distinct ones).

The product of its (nonzero) digits is 25000, while the sum is 33.

The spelling of 1421555055000 in words is "one trillion, four hundred twenty-one billion, five hundred fifty-five million, fifty-five thousand".