155502350013 has 8 divisors (see below), whose sum is σ = 207831304800. Its totient is φ = 103420814288.

The previous prime is 155502350011. The next prime is 155502350021. The reversal of 155502350013 is 310053205551.

155502350013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 155502350013 - 2¹ = 155502350011 is a prime.

It is a super-2 number, since 2×155502350013² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155502350011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61853298 + ... + 61855811.

It is an arithmetic number, because the mean of its divisors is an integer number (25978913100).

Almost surely, 2^155502350013 is an apocalyptic number.

It is an amenable number.

155502350013 is a deficient number, since it is larger than the sum of its proper divisors (52328954787).

155502350013 is a wasteful number, since it uses less digits than its factorization.

155502350013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123709531.

The product of its (nonzero) digits is 11250, while the sum is 30.

Adding to 155502350013 its reverse (310053205551), we get a palindrome (465555555564).

It can be divided in two parts, 155502 and 350013, that added together give a triangular number (505515 = T₁₀₀₅).

The spelling of 155502350013 in words is "one hundred fifty-five billion, five hundred two million, three hundred fifty thousand, thirteen".