155109945598 has 8 divisors (see below), whose sum is σ = 232680591792. Its totient is φ = 77549748336.

The previous prime is 155109945581. The next prime is 155109945629. The reversal of 155109945598 is 895549901551.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2575015 + ... + 2634562.

It is an arithmetic number, because the mean of its divisors is an integer number (29085073974).

Almost surely, 2^155109945598 is an apocalyptic number.

155109945598 is a deficient number, since it is larger than the sum of its proper divisors (77570646194).

155109945598 is a wasteful number, since it uses less digits than its factorization.

155109945598 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5224466.

The product of its (nonzero) digits is 14580000, while the sum is 61.

The spelling of 155109945598 in words is "one hundred fifty-five billion, one hundred nine million, nine hundred forty-five thousand, five hundred ninety-eight".