155105530877 has 8 divisors (see below), whose sum is σ = 172073933280. Its totient is φ = 138615111760.

The previous prime is 155105530873. The next prime is 155105530883. The reversal of 155105530877 is 778035501551.

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

It is a cyclic number.

It is not a de Polignac number, because 155105530877 - 2² = 155105530873 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 (155105530873) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119495138 + ... + 119496435.

It is an arithmetic number, because the mean of its divisors is an integer number (21509241660).

Almost surely, 2^155105530877 is an apocalyptic number.

It is an amenable number.

155105530877 is a deficient number, since it is larger than the sum of its proper divisors (16968402403).

155105530877 is a wasteful number, since it uses less digits than its factorization.

155105530877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238991643.

The product of its (nonzero) digits is 735000, while the sum is 47.

The spelling of 155105530877 in words is "one hundred fifty-five billion, one hundred five million, five hundred thirty thousand, eight hundred seventy-seven".