155578613007 has 48 divisors (see below), whose sum is σ = 221522726880. Its totient is φ = 97100640000.

The previous prime is 155578612961. The next prime is 155578613009. The reversal of 155578613007 is 700316875551.

155578613007 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 155578613007 - 2²⁶ = 155511504143 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155578613009) 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 47 ways as a sum of consecutive naturals, for example, 76676469 + ... + 76678497.

It is an arithmetic number, because the mean of its divisors is an integer number (4615056810).

Almost surely, 2^155578613007 is an apocalyptic number.

155578613007 is a deficient number, since it is larger than the sum of its proper divisors (65944113873).

155578613007 is a wasteful number, since it uses less digits than its factorization.

155578613007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2872 (or 2853 counting only the distinct ones).

The product of its (nonzero) digits is 882000, while the sum is 48.

The spelling of 155578613007 in words is "one hundred fifty-five billion, five hundred seventy-eight million, six hundred thirteen thousand, seven".