15378375102 has 8 divisors (see below), whose sum is σ = 30756750216. Its totient is φ = 5126125032.

The previous prime is 15378375101. The next prime is 15378375107. The reversal of 15378375102 is 20157387351.

It is a happy number.

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

15378375102 is an admirable number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15378375101) 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, 1281531253 + ... + 1281531264.

It is an arithmetic number, because the mean of its divisors is an integer number (3844593777).

Almost surely, 2^15378375102 is an apocalyptic number.

15378375102 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

15378375102 is a wasteful number, since it uses less digits than its factorization.

15378375102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2563062522.

The product of its (nonzero) digits is 176400, while the sum is 42.

The spelling of 15378375102 in words is "fifteen billion, three hundred seventy-eight million, three hundred seventy-five thousand, one hundred two".