155444387059113 has 32 divisors (see below), whose sum is σ = 225221778063360. Its totient is φ = 95001470161920.

The previous prime is 155444387059061. The next prime is 155444387059177. The reversal of 155444387059113 is 311950783444551.

It is a happy number.

It is not a de Polignac number, because 155444387059113 - 2¹⁴ = 155444387042729 is a prime.

It is not an unprimeable number, because it can be changed into a prime (155444387059813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20863120 + ... + 27315902.

It is an arithmetic number, because the mean of its divisors is an integer number (7038180564480).

Almost surely, 2^{155444387059113} is an apocalyptic number.

It is an amenable number.

155444387059113 is a deficient number, since it is larger than the sum of its proper divisors (69777391004247).

155444387059113 is a wasteful number, since it uses less digits than its factorization.

155444387059113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6466469.

The product of its (nonzero) digits is 36288000, while the sum is 60.

The spelling of 155444387059113 in words is "one hundred fifty-five trillion, four hundred forty-four billion, three hundred eighty-seven million, fifty-nine thousand, one hundred thirteen".