201044420115 has 64 divisors (see below), whose sum is σ = 403285340160. Its totient is φ = 83084077440.

The previous prime is 201044420053. The next prime is 201044420153. The reversal of 201044420115 is 511024440102.

It is not a de Polignac number, because 201044420115 - 2⁶ = 201044420051 is a prime.

It is a super-2 number, since 2×201044420115² (a number of 23 digits) contains 22 as substring.

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, 279469 + ... + 692958.

It is an arithmetic number, because the mean of its divisors is an integer number (6301333440).

Almost surely, 2^201044420115 is an apocalyptic number.

201044420115 is an abundant number, since it is smaller than the sum of its proper divisors (202240920045).

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

201044420115 is a wasteful number, since it uses less digits than its factorization.

201044420115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 972632.

The product of its (nonzero) digits is 1280, while the sum is 24.

Adding to 201044420115 its reverse (511024440102), we get a palindrome (712068860217).

The spelling of 201044420115 in words is "two hundred one billion, forty-four million, four hundred twenty thousand, one hundred fifteen".