155355830836 has 12 divisors (see below), whose sum is σ = 272006711620. Its totient is φ = 77639627520.

The previous prime is 155355830827. The next prime is 155355830909. The reversal of 155355830836 is 638038553551.

It can be written as a sum of positive squares in 2 ways, for example, as 154925683236 + 430147600 = 393606^2 + 20740^2 .

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, 9562845 + ... + 9579076.

Almost surely, 2^155355830836 is an apocalyptic number.

It is an amenable number.

155355830836 is a deficient number, since it is larger than the sum of its proper divisors (116650880784).

155355830836 is a wasteful number, since it uses less digits than its factorization.

155355830836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19143954 (or 19143952 counting only the distinct ones).

The product of its (nonzero) digits is 6480000, while the sum is 52.

The spelling of 155355830836 in words is "one hundred fifty-five billion, three hundred fifty-five million, eight hundred thirty thousand, eight hundred thirty-six".