1139431375651 has 2 divisors, whose sum is σ = 1139431375652. Its totient is φ = 1139431375650.

The previous prime is 1139431375609. The next prime is 1139431375721. The reversal of 1139431375651 is 1565731349311.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1139431375651 - 2¹⁷ = 1139431244579 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1139431375595 and 1139431375604.

It is not a weakly prime, because it can be changed into another prime (1139431379651) 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, 569715687825 + 569715687826.

It is an arithmetic number, because the mean of its divisors is an integer number (569715687826).

Almost surely, 2^{1139431375651} is an apocalyptic number.

1139431375651 is a deficient number, since it is larger than the sum of its proper divisors (1).

1139431375651 is an equidigital number, since it uses as much as digits as its factorization.

1139431375651 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1020600, while the sum is 49.

The spelling of 1139431375651 in words is "one trillion, one hundred thirty-nine billion, four hundred thirty-one million, three hundred seventy-five thousand, six hundred fifty-one".