201351245155 has 16 divisors (see below), whose sum is σ = 248587100064. Its totient is φ = 156503128320.

The previous prime is 201351245143. The next prime is 201351245177. The reversal of 201351245155 is 551542153102.

It is a de Polignac number, because none of the positive numbers 2^k-201351245155 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 201351245155.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4092316 + ... + 4141225.

It is an arithmetic number, because the mean of its divisors is an integer number (15536693754).

Almost surely, 2^201351245155 is an apocalyptic number.

201351245155 is a deficient number, since it is larger than the sum of its proper divisors (47235854909).

201351245155 is an equidigital number, since it uses as much as digits as its factorization.

201351245155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8233686.

The product of its (nonzero) digits is 30000, while the sum is 34.

Adding to 201351245155 its reverse (551542153102), we get a palindrome (752893398257).

The spelling of 201351245155 in words is "two hundred one billion, three hundred fifty-one million, two hundred forty-five thousand, one hundred fifty-five".