1381311776695 has 8 divisors (see below), whose sum is σ = 1658194729920. Its totient is φ = 1104635689440.

The previous prime is 1381311776659. The next prime is 1381311776707. The reversal of 1381311776695 is 5966771131831.

It is a happy number.

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

It is not a de Polignac number, because 1381311776695 - 2¹⁵ = 1381311743927 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51701800 + ... + 51728509.

It is an arithmetic number, because the mean of its divisors is an integer number (207274341240).

Almost surely, 2^{1381311776695} is an apocalyptic number.

1381311776695 is a deficient number, since it is larger than the sum of its proper divisors (276882953225).

1381311776695 is a wasteful number, since it uses less digits than its factorization.

1381311776695 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103432985.

The product of its digits is 5715360, while the sum is 58.

The spelling of 1381311776695 in words is "one trillion, three hundred eighty-one billion, three hundred eleven million, seven hundred seventy-six thousand, six hundred ninety-five".