15040450111 has 2 divisors, whose sum is σ = 15040450112. Its totient is φ = 15040450110.

The previous prime is 15040450091. The next prime is 15040450133. The reversal of 15040450111 is 11105404051.

It is a happy number.

It is an a-pointer prime, because the next prime (15040450133) can be obtained adding 15040450111 to its sum of digits (22).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15040450111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15040456111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7520225055 + 7520225056.

It is an arithmetic number, because the mean of its divisors is an integer number (7520225056).

Almost surely, 2^15040450111 is an apocalyptic number.

15040450111 is a deficient number, since it is larger than the sum of its proper divisors (1).

15040450111 is an equidigital number, since it uses as much as digits as its factorization.

15040450111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 400, while the sum is 22.

Adding to 15040450111 its reverse (11105404051), we get a palindrome (26145854162).

The spelling of 15040450111 in words is "fifteen billion, forty million, four hundred fifty thousand, one hundred eleven".