1375555331260 has 96 divisors (see below), whose sum is σ = 3205405405440. Its totient is φ = 491613196800.

The previous prime is 1375555331233. The next prime is 1375555331261. The reversal of 1375555331260 is 621335555731.

It is a self number, because there is not a number n which added to its sum of digits gives 1375555331260.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1375555331261) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 76534075 + ... + 76552045.

It is an arithmetic number, because the mean of its divisors is an integer number (33389639640).

Almost surely, 2^{1375555331260} is an apocalyptic number.

1375555331260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1375555331260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1602702702720).

1375555331260 is an abundant number, since it is smaller than the sum of its proper divisors (1829850074180).

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

1375555331260 is a wasteful number, since it uses less digits than its factorization.

1375555331260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23947 (or 23945 counting only the distinct ones).

The product of its (nonzero) digits is 1417500, while the sum is 46.

The spelling of 1375555331260 in words is "one trillion, three hundred seventy-five billion, five hundred fifty-five million, three hundred thirty-one thousand, two hundred sixty".