155711139196 has 12 divisors (see below), whose sum is σ = 272501467560. Its totient is φ = 77853577040.

The previous prime is 155711139193. The next prime is 155711139203. The reversal of 155711139196 is 691931117551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155711139193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 314815 + ... + 640726.

It is an arithmetic number, because the mean of its divisors is an integer number (22708455630).

Almost surely, 2^155711139196 is an apocalyptic number.

It is an amenable number.

155711139196 is a deficient number, since it is larger than the sum of its proper divisors (116790328364).

155711139196 is a wasteful number, since it uses less digits than its factorization.

155711139196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 996284 (or 996282 counting only the distinct ones).

The product of its digits is 255150, while the sum is 49.

The spelling of 155711139196 in words is "one hundred fifty-five billion, seven hundred eleven million, one hundred thirty-nine thousand, one hundred ninety-six".