155100005305 has 16 divisors (see below), whose sum is σ = 220043358720. Its totient is φ = 102686899392.

The previous prime is 155100005297. The next prime is 155100005323. The reversal of 155100005305 is 503500001551.

It is not a de Polignac number, because 155100005305 - 2³ = 155100005297 is a prime.

It is a super-2 number, since 2×155100005305² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 155100005305.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76402929 + ... + 76404958.

It is an arithmetic number, because the mean of its divisors is an integer number (13752709920).

Almost surely, 2^155100005305 is an apocalyptic number.

It is an amenable number.

155100005305 is a deficient number, since it is larger than the sum of its proper divisors (64943353415).

155100005305 is a wasteful number, since it uses less digits than its factorization.

155100005305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152807928.

The product of its (nonzero) digits is 1875, while the sum is 25.

Adding to 155100005305 its reverse (503500001551), we get a palindrome (658600006856).

The spelling of 155100005305 in words is "one hundred fifty-five billion, one hundred million, five thousand, three hundred five".