201265155 has 160 divisors (see below), whose sum is σ = 457949184. Its totient is φ = 82301184.

The previous prime is 201265147. The next prime is 201265199. The reversal of 201265155 is 551562102.

201265155 is a `hidden beast` number, since 2 + 0 + 1 + 2 + 651 + 5 + 5 = 666.

201265155 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 201265155 - 2³ = 201265147 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 1584702 + ... + 1584828.

Almost surely, 2^201265155 is an apocalyptic number.

201265155 is an abundant number, since it is smaller than the sum of its proper divisors (256684029).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201265155 is a wasteful number, since it uses less digits than its factorization.

201265155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207 (or 198 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 201265155 is about 14186.7950926205. The cubic root of 201265155 is about 586.0340684996.

It can be divided in two parts, 20126 and 5155, that added together give a square (25281 = 159²).

The spelling of 201265155 in words is "two hundred one million, two hundred sixty-five thousand, one hundred fifty-five".