15113783438 has 8 divisors (see below), whose sum is σ = 24414573288. Its totient is φ = 6975592344.

The previous prime is 15113783423. The next prime is 15113783459. The reversal of 15113783438 is 83438731151.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 290649656 + ... + 290649707.

It is an arithmetic number, because the mean of its divisors is an integer number (3051821661).

Almost surely, 2^15113783438 is an apocalyptic number.

15113783438 is a deficient number, since it is larger than the sum of its proper divisors (9300789850).

15113783438 is a wasteful number, since it uses less digits than its factorization.

15113783438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581299378.

The product of its digits is 241920, while the sum is 44.

The spelling of 15113783438 in words is "fifteen billion, one hundred thirteen million, seven hundred eighty-three thousand, four hundred thirty-eight".