15119811428 has 6 divisors (see below), whose sum is σ = 26459670006. Its totient is φ = 7559905712.

The previous prime is 15119811401. The next prime is 15119811451. The reversal of 15119811428 is 82411891151.

It can be written as a sum of positive squares in only one way, i.e., 12674706724 + 2445104704 = 112582^2 + 49448^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1889976425 + ... + 1889976432.

It is an arithmetic number, because the mean of its divisors is an integer number (4409945001).

Almost surely, 2^15119811428 is an apocalyptic number.

It is an amenable number.

15119811428 is a deficient number, since it is larger than the sum of its proper divisors (11339858578).

15119811428 is a wasteful number, since it uses less digits than its factorization.

15119811428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3779952861 (or 3779952859 counting only the distinct ones).

The product of its digits is 23040, while the sum is 41.

The spelling of 15119811428 in words is "fifteen billion, one hundred nineteen million, eight hundred eleven thousand, four hundred twenty-eight".