155544523535013 has 16 divisors (see below), whose sum is σ = 214083546432000. Its totient is φ = 100350948623040.

The previous prime is 155544523535003. The next prime is 155544523535143. The reversal of 155544523535013 is 310535325445551.

It is not a de Polignac number, because 155544523535013 - 2¹⁶ = 155544523469477 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155544523535003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24693463 + ... + 30345611.

It is an arithmetic number, because the mean of its divisors is an integer number (13380221652000).

Almost surely, 2^{155544523535013} is an apocalyptic number.

It is an amenable number.

155544523535013 is a deficient number, since it is larger than the sum of its proper divisors (58539022896987).

155544523535013 is a wasteful number, since it uses less digits than its factorization.

155544523535013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5948092.

The product of its (nonzero) digits is 13500000, while the sum is 51.

The spelling of 155544523535013 in words is "one hundred fifty-five trillion, five hundred forty-four billion, five hundred twenty-three million, five hundred thirty-five thousand, thirteen".