14245781511 has 16 divisors (see below), whose sum is σ = 20463238880. Its totient is φ = 8763310080.

The previous prime is 14245781483. The next prime is 14245781573. The reversal of 14245781511 is 11518754241.

It is a happy number.

It is not a de Polignac number, because 14245781511 - 2¹⁰ = 14245780487 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

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 14245781511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14245781591) 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, 36951 + ... + 172791.

It is an arithmetic number, because the mean of its divisors is an integer number (1278952430).

Almost surely, 2^14245781511 is an apocalyptic number.

14245781511 is a deficient number, since it is larger than the sum of its proper divisors (6217457369).

14245781511 is a wasteful number, since it uses less digits than its factorization.

14245781511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138546.

The product of its digits is 44800, while the sum is 39.

The spelling of 14245781511 in words is "fourteen billion, two hundred forty-five million, seven hundred eighty-one thousand, five hundred eleven".