155272250116 has 9 divisors (see below), whose sum is σ = 271727816871. Its totient is φ = 77635731012.

The previous prime is 155272250113. The next prime is 155272250233. The reversal of 155272250116 is 611052272551.

The square root of 155272250116 is 394046.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (155272250113) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 689581 + ... + 886603.

Almost surely, 2^155272250116 is an apocalyptic number.

155272250116 is the 394046-th square number.

It is an amenable number.

155272250116 is a deficient number, since it is larger than the sum of its proper divisors (116455566755).

155272250116 is an frugal number, since it uses more digits than its factorization.

155272250116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394050 (or 197025 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 37.

The spelling of 155272250116 in words is "one hundred fifty-five billion, two hundred seventy-two million, two hundred fifty thousand, one hundred sixteen".