1376011505851 has 2 divisors, whose sum is σ = 1376011505852. Its totient is φ = 1376011505850.

The previous prime is 1376011505783. The next prime is 1376011505873. The reversal of 1376011505851 is 1585051106731.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1376011505851 - 2⁹ = 1376011505339 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1376011505798 and 1376011505807.

It is not a weakly prime, because it can be changed into another prime (1376011506851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 688005752925 + 688005752926.

It is an arithmetic number, because the mean of its divisors is an integer number (688005752926).

Almost surely, 2^{1376011505851} is an apocalyptic number.

1376011505851 is a deficient number, since it is larger than the sum of its proper divisors (1).

1376011505851 is an equidigital number, since it uses as much as digits as its factorization.

1376011505851 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 126000, while the sum is 43.

The spelling of 1376011505851 in words is "one trillion, three hundred seventy-six billion, eleven million, five hundred five thousand, eight hundred fifty-one".