201501203113 has 16 divisors (see below), whose sum is σ = 237441447936. Its totient is φ = 167410872720.

The previous prime is 201501203107. The next prime is 201501203153. The reversal of 201501203113 is 311302105102.

It is not a de Polignac number, because 201501203113 - 2²¹ = 201499105961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201501203153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2515681 + ... + 2594542.

It is an arithmetic number, because the mean of its divisors is an integer number (14840090496).

Almost surely, 2^201501203113 is an apocalyptic number.

It is an amenable number.

201501203113 is a deficient number, since it is larger than the sum of its proper divisors (35940244823).

201501203113 is a wasteful number, since it uses less digits than its factorization.

201501203113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5110404.

The product of its (nonzero) digits is 180, while the sum is 19.

Adding to 201501203113 its reverse (311302105102), we get a palindrome (512803308215).

The spelling of 201501203113 in words is "two hundred one billion, five hundred one million, two hundred three thousand, one hundred thirteen".