15226045278 has 16 divisors (see below), whose sum is σ = 31194824976. Its totient is φ = 4951559360.

The previous prime is 15226045273. The next prime is 15226045297. The reversal of 15226045278 is 87254062251.

15226045278 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15226045273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30947001 + ... + 30947492.

It is an arithmetic number, because the mean of its divisors is an integer number (1949676561).

Almost surely, 2^15226045278 is an apocalyptic number.

15226045278 is an abundant number, since it is smaller than the sum of its proper divisors (15968779698).

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

15226045278 is a wasteful number, since it uses less digits than its factorization.

15226045278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61894539.

The product of its (nonzero) digits is 268800, while the sum is 42.

The spelling of 15226045278 in words is "fifteen billion, two hundred twenty-six million, forty-five thousand, two hundred seventy-eight".