201455332133505 has 64 divisors (see below), whose sum is σ = 336874147872768. Its totient is φ = 102701542245120.

The previous prime is 201455332133491. The next prime is 201455332133537. The reversal of 201455332133505 is 505331233554102.

It is not a de Polignac number, because 201455332133505 - 2¹⁴ = 201455332117121 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 323665495 + ... + 324287315.

It is an arithmetic number, because the mean of its divisors is an integer number (5263658560512).

Almost surely, 2^{201455332133505} is an apocalyptic number.

It is an amenable number.

201455332133505 is a deficient number, since it is larger than the sum of its proper divisors (135418815739263).

201455332133505 is a wasteful number, since it uses less digits than its factorization.

201455332133505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632606.

The product of its (nonzero) digits is 810000, while the sum is 42.

Adding to 201455332133505 its reverse (505331233554102), we get a palindrome (706786565687607).

The spelling of 201455332133505 in words is "two hundred one trillion, four hundred fifty-five billion, three hundred thirty-two million, one hundred thirty-three thousand, five hundred five".