1550525133140 has 24 divisors (see below), whose sum is σ = 3272973786600. Its totient is φ = 616996528128.

The previous prime is 1550525133133. The next prime is 1550525133173. The reversal of 1550525133140 is 413315250551.

It can be written as a sum of positive squares in 4 ways, for example, as 28168922896 + 1522356210244 = 167836^2 + 1233838^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1550525133140.

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, 200841365 + ... + 200849084.

It is an arithmetic number, because the mean of its divisors is an integer number (136373907775).

Almost surely, 2^{1550525133140} is an apocalyptic number.

1550525133140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1550525133140 is an abundant number, since it is smaller than the sum of its proper divisors (1722448653460).

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

1550525133140 is a wasteful number, since it uses less digits than its factorization.

1550525133140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401690651 (or 401690649 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 35.

The spelling of 1550525133140 in words is "one trillion, five hundred fifty billion, five hundred twenty-five million, one hundred thirty-three thousand, one hundred forty".