1380626318815 has 16 divisors (see below), whose sum is σ = 1711745888256. Its totient is φ = 1067902797600.

The previous prime is 1380626318761. The next prime is 1380626318857. The reversal of 1380626318815 is 5188136260831.

It is a de Polignac number, because none of the positive numbers 2^k-1380626318815 is a prime.

It is a super-2 number, since 2×1380626318815² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

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, 3866781 + ... + 4208710.

It is an arithmetic number, because the mean of its divisors is an integer number (106984118016).

Almost surely, 2^{1380626318815} is an apocalyptic number.

1380626318815 is a deficient number, since it is larger than the sum of its proper divisors (331119569441).

1380626318815 is a wasteful number, since it uses less digits than its factorization.

1380626318815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8076630.

The product of its (nonzero) digits is 1658880, while the sum is 52.

The spelling of 1380626318815 in words is "one trillion, three hundred eighty billion, six hundred twenty-six million, three hundred eighteen thousand, eight hundred fifteen".