1081742752507 has 2 divisors, whose sum is σ = 1081742752508. Its totient is φ = 1081742752506.

The previous prime is 1081742752487. The next prime is 1081742752529. The reversal of 1081742752507 is 7052572471801.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1081742752507 is a prime.

It is not a weakly prime, because it can be changed into another prime (1081742752537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 540871376253 + 540871376254.

It is an arithmetic number, because the mean of its divisors is an integer number (540871376254).

Almost surely, 2^{1081742752507} is an apocalyptic number.

1081742752507 is a deficient number, since it is larger than the sum of its proper divisors (1).

1081742752507 is an equidigital number, since it uses as much as digits as its factorization.

1081742752507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1097600, while the sum is 49.

The spelling of 1081742752507 in words is "one trillion, eighty-one billion, seven hundred forty-two million, seven hundred fifty-two thousand, five hundred seven".