11454523015 has 16 divisors (see below), whose sum is σ = 14809874688. Its totient is φ = 8454663936.

The previous prime is 11454523013. The next prime is 11454523061. The reversal of 11454523015 is 51032545411.

It is a cyclic number.

It is not a de Polignac number, because 11454523015 - 2¹ = 11454523013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11454523013) 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, 97674 + ... + 180136.

It is an arithmetic number, because the mean of its divisors is an integer number (925617168).

Almost surely, 2^11454523015 is an apocalyptic number.

11454523015 is a deficient number, since it is larger than the sum of its proper divisors (3355351673).

11454523015 is a wasteful number, since it uses less digits than its factorization.

11454523015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84618.

The product of its (nonzero) digits is 12000, while the sum is 31.

The spelling of 11454523015 in words is "eleven billion, four hundred fifty-four million, five hundred twenty-three thousand, fifteen".