155698111396 has 9 divisors (see below), whose sum is σ = 272473076001. Its totient is φ = 77848661112.

The previous prime is 155698111367. The next prime is 155698111421. The reversal of 155698111396 is 693111896551.

The square root of 155698111396 is 394586.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 41816160100 + 113881951296 = 204490^2 + 337464^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 690526 + ... + 887818.

Almost surely, 2^155698111396 is an apocalyptic number.

155698111396 is the 394586-th square number.

It is an amenable number.

155698111396 is a deficient number, since it is larger than the sum of its proper divisors (116774964605).

155698111396 is an frugal number, since it uses more digits than its factorization.

155698111396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394590 (or 197295 counting only the distinct ones).

The product of its digits is 1749600, while the sum is 55.

The spelling of 155698111396 in words is "one hundred fifty-five billion, six hundred ninety-eight million, one hundred eleven thousand, three hundred ninety-six".