1375055455530 has 32 divisors (see below), whose sum is σ = 3356067556800. Its totient is φ = 360466514432.

The previous prime is 1375055455489. The next prime is 1375055455547. The reversal of 1375055455530 is 355545505731.

It is a self number, because there is not a number n which added to its sum of digits gives 1375055455530.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 388431975 + ... + 388435514.

It is an arithmetic number, because the mean of its divisors is an integer number (104877111150).

Almost surely, 2^{1375055455530} is an apocalyptic number.

1375055455530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1375055455530 is an abundant number, since it is smaller than the sum of its proper divisors (1981012101270).

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

1375055455530 is a wasteful number, since it uses less digits than its factorization.

1375055455530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 776867558.

The product of its (nonzero) digits is 3937500, while the sum is 48.

The spelling of 1375055455530 in words is "one trillion, three hundred seventy-five billion, fifty-five million, four hundred fifty-five thousand, five hundred thirty".