1315114478906 has 4 divisors (see below), whose sum is σ = 1972671718362. Its totient is φ = 657557239452.

The previous prime is 1315114478897. The next prime is 1315114478939. The reversal of 1315114478906 is 6098744115131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 787008508225 + 528105970681 = 887135^2 + 726709^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 328778619725 + ... + 328778619728.

Almost surely, 2^{1315114478906} is an apocalyptic number.

1315114478906 is a deficient number, since it is larger than the sum of its proper divisors (657557239456).

1315114478906 is an equidigital number, since it uses as much as digits as its factorization.

1315114478906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657557239455.

The product of its (nonzero) digits is 725760, while the sum is 50.

The spelling of 1315114478906 in words is "one trillion, three hundred fifteen billion, one hundred fourteen million, four hundred seventy-eight thousand, nine hundred six".