15133378073 has 4 divisors (see below), whose sum is σ = 16509139728. Its totient is φ = 13757616420.

The previous prime is 15133378069. The next prime is 15133378109. The reversal of 15133378073 is 37087333151.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 15133378073 - 2² = 15133378069 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 15133378073.

It is not an unprimeable number, because it can be changed into a prime (15133378003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 687880811 + ... + 687880832.

It is an arithmetic number, because the mean of its divisors is an integer number (4127284932).

Almost surely, 2^15133378073 is an apocalyptic number.

It is an amenable number.

15133378073 is a deficient number, since it is larger than the sum of its proper divisors (1375761655).

15133378073 is a wasteful number, since it uses less digits than its factorization.

15133378073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1375761654.

The product of its (nonzero) digits is 158760, while the sum is 41.

The spelling of 15133378073 in words is "fifteen billion, one hundred thirty-three million, three hundred seventy-eight thousand, seventy-three".