201438206115 has 8 divisors (see below), whose sum is σ = 322301129808. Its totient is φ = 107433709920.

The previous prime is 201438206107. The next prime is 201438206141. The reversal of 201438206115 is 511602834102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 201438206115 - 2³ = 201438206107 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6714606856 + ... + 6714606885.

It is an arithmetic number, because the mean of its divisors is an integer number (40287641226).

Almost surely, 2^201438206115 is an apocalyptic number.

201438206115 is a deficient number, since it is larger than the sum of its proper divisors (120862923693).

201438206115 is a wasteful number, since it uses less digits than its factorization.

201438206115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13429213749.

The product of its (nonzero) digits is 11520, while the sum is 33.

The spelling of 201438206115 in words is "two hundred one billion, four hundred thirty-eight million, two hundred six thousand, one hundred fifteen".