1266015061307 has 2 divisors, whose sum is σ = 1266015061308. Its totient is φ = 1266015061306.

The previous prime is 1266015061273. The next prime is 1266015061319. The reversal of 1266015061307 is 7031605106621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1266015061307 - 2¹² = 1266015057211 is a prime.

It is not a weakly prime, because it can be changed into another prime (1266015061357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 633007530653 + 633007530654.

It is an arithmetic number, because the mean of its divisors is an integer number (633007530654).

Almost surely, 2^{1266015061307} is an apocalyptic number.

1266015061307 is a deficient number, since it is larger than the sum of its proper divisors (1).

1266015061307 is an equidigital number, since it uses as much as digits as its factorization.

1266015061307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45360, while the sum is 38.

The spelling of 1266015061307 in words is "one trillion, two hundred sixty-six billion, fifteen million, sixty-one thousand, three hundred seven".