201501383814 has 24 divisors (see below), whose sum is σ = 443743486992. Its totient is φ = 66066027120.

The previous prime is 201501383773. The next prime is 201501383819. The reversal of 201501383814 is 418383105102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201501383819) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 91757274 + ... + 91759469.

It is an arithmetic number, because the mean of its divisors is an integer number (18489311958).

Almost surely, 2^201501383814 is an apocalyptic number.

201501383814 is an abundant number, since it is smaller than the sum of its proper divisors (242242103178).

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

201501383814 is a wasteful number, since it uses less digits than its factorization.

201501383814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183516812 (or 183516809 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

Adding to 201501383814 its reverse (418383105102), we get a palindrome (619884488916).

The spelling of 201501383814 in words is "two hundred one billion, five hundred one million, three hundred eighty-three thousand, eight hundred fourteen".