1095664399787 has 2 divisors, whose sum is σ = 1095664399788. Its totient is φ = 1095664399786.

The previous prime is 1095664399751. The next prime is 1095664399831. The reversal of 1095664399787 is 7879934665901.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1095664399787 - 2²² = 1095660205483 is a prime.

It is not a weakly prime, because it can be changed into another prime (1095664390787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 547832199893 + 547832199894.

It is an arithmetic number, because the mean of its divisors is an integer number (547832199894).

Almost surely, 2^{1095664399787} is an apocalyptic number.

1095664399787 is a deficient number, since it is larger than the sum of its proper divisors (1).

1095664399787 is an equidigital number, since it uses as much as digits as its factorization.

1095664399787 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 617258880, while the sum is 74.

The spelling of 1095664399787 in words is "one trillion, ninety-five billion, six hundred sixty-four million, three hundred ninety-nine thousand, seven hundred eighty-seven".