1555052300540 has 24 divisors (see below), whose sum is σ = 3266690212800. Its totient is φ = 621815133248.

The previous prime is 1555052300539. The next prime is 1555052300561. The reversal of 1555052300540 is 450032505551.

It is a self number, because there is not a number n which added to its sum of digits gives 1555052300540.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12799715 + ... + 12920634.

It is an arithmetic number, because the mean of its divisors is an integer number (136112092200).

Almost surely, 2^{1555052300540} is an apocalyptic number.

1555052300540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1555052300540 is an abundant number, since it is smaller than the sum of its proper divisors (1711637912260).

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

1555052300540 is a wasteful number, since it uses less digits than its factorization.

1555052300540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25723381 (or 25723379 counting only the distinct ones).

The product of its (nonzero) digits is 75000, while the sum is 35.

The spelling of 1555052300540 in words is "one trillion, five hundred fifty-five billion, fifty-two million, three hundred thousand, five hundred forty".