155023717741 has 6 divisors (see below), whose sum is σ = 163612289742. Its totient is φ = 146864574360.

The previous prime is 155023717679. The next prime is 155023717753. The reversal of 155023717741 is 147717320551.

It can be written as a sum of positive squares in only one way, i.e., 88586593225 + 66437124516 = 297635^2 + 257754^2 .

It is not a de Polignac number, because 155023717741 - 2⁷ = 155023717613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155023717841) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 214713930 + ... + 214714651.

It is an arithmetic number, because the mean of its divisors is an integer number (27268714957).

Almost surely, 2^155023717741 is an apocalyptic number.

It is an amenable number.

155023717741 is a deficient number, since it is larger than the sum of its proper divisors (8588572001).

155023717741 is an equidigital number, since it uses as much as digits as its factorization.

155023717741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429428619 (or 429428600 counting only the distinct ones).

The product of its (nonzero) digits is 205800, while the sum is 43.

The spelling of 155023717741 in words is "one hundred fifty-five billion, twenty-three million, seven hundred seventeen thousand, seven hundred forty-one".