155405726373 has 16 divisors (see below), whose sum is σ = 209588722560. Its totient is φ = 102413862144.

The previous prime is 155405726369. The next prime is 155405726429. The reversal of 155405726373 is 373627504551.

155405726373 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 155405726373 - 2² = 155405726369 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155405726303) 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 15 ways as a sum of consecutive naturals, for example, 1016040 + ... + 1158942.

It is an arithmetic number, because the mean of its divisors is an integer number (13099295160).

Almost surely, 2^155405726373 is an apocalyptic number.

It is an amenable number.

155405726373 is a deficient number, since it is larger than the sum of its proper divisors (54182996187).

155405726373 is a wasteful number, since it uses less digits than its factorization.

155405726373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147068.

The product of its (nonzero) digits is 2646000, while the sum is 48.

The spelling of 155405726373 in words is "one hundred fifty-five billion, four hundred five million, seven hundred twenty-six thousand, three hundred seventy-three".