155554113620245 has 64 divisors (see below), whose sum is σ = 196660884865536. Its totient is φ = 117891107389440.

The previous prime is 155554113620207. The next prime is 155554113620309. The reversal of 155554113620245 is 542026311455551.

It is not a de Polignac number, because 155554113620245 - 2³³ = 155545523685653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3553307797 + ... + 3553351573.

It is an arithmetic number, because the mean of its divisors is an integer number (3072826326024).

Almost surely, 2^{155554113620245} is an apocalyptic number.

It is an amenable number.

155554113620245 is a deficient number, since it is larger than the sum of its proper divisors (41106771245291).

155554113620245 is a wasteful number, since it uses less digits than its factorization.

155554113620245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44750.

The product of its (nonzero) digits is 3600000, while the sum is 49.

The spelling of 155554113620245 in words is "one hundred fifty-five trillion, five hundred fifty-four billion, one hundred thirteen million, six hundred twenty thousand, two hundred forty-five".