155655123376444 has 12 divisors (see below), whose sum is σ = 272480202933064. Its totient is φ = 77803636824144.

The previous prime is 155655123376411. The next prime is 155655123376447. The reversal of 155655123376444 is 444673321556551.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155655123376447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5981201382 + ... + 5981227405.

Almost surely, 2^{155655123376444} is an apocalyptic number.

It is an amenable number.

155655123376444 is a deficient number, since it is larger than the sum of its proper divisors (116825079556620).

155655123376444 is a wasteful number, since it uses less digits than its factorization.

155655123376444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11962432044 (or 11962432042 counting only the distinct ones).

The product of its digits is 181440000, while the sum is 61.

The spelling of 155655123376444 in words is "one hundred fifty-five trillion, six hundred fifty-five billion, one hundred twenty-three million, three hundred seventy-six thousand, four hundred forty-four".