155056618101 has 16 divisors (see below), whose sum is σ = 257756456448. Its totient is φ = 80548892400.

The previous prime is 155056618069. The next prime is 155056618111. The reversal of 155056618101 is 101816650551.

It is not a de Polignac number, because 155056618101 - 2⁵ = 155056618069 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 155056618101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155056618111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 335620155 + ... + 335620616.

It is an arithmetic number, because the mean of its divisors is an integer number (16109778528).

Almost surely, 2^155056618101 is an apocalyptic number.

155056618101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

155056618101 is a deficient number, since it is larger than the sum of its proper divisors (102699838347).

155056618101 is a wasteful number, since it uses less digits than its factorization.

155056618101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671240792.

The product of its (nonzero) digits is 36000, while the sum is 39.

The spelling of 155056618101 in words is "one hundred fifty-five billion, fifty-six million, six hundred eighteen thousand, one hundred one".