1392078505106 has 32 divisors (see below), whose sum is σ = 2194820167680. Its totient is φ = 661614940816.

The previous prime is 1392078505031. The next prime is 1392078505141. The reversal of 1392078505106 is 6015058702931.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1051766 + ... + 1972401.

It is an arithmetic number, because the mean of its divisors is an integer number (68588130240).

Almost surely, 2^{1392078505106} is an apocalyptic number.

1392078505106 is a deficient number, since it is larger than the sum of its proper divisors (802741662574).

1392078505106 is a wasteful number, since it uses less digits than its factorization.

1392078505106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3024358.

The product of its (nonzero) digits is 453600, while the sum is 47.

The spelling of 1392078505106 in words is "one trillion, three hundred ninety-two billion, seventy-eight million, five hundred five thousand, one hundred six".