1266015061107 has 6 divisors (see below), whose sum is σ = 1828688421612. Its totient is φ = 844010040732.

The previous prime is 1266015061063. The next prime is 1266015061189. The reversal of 1266015061107 is 7011605106621.

It is a happy number.

1266015061107 is a `hidden beast` number, since 1 + 26 + 6 + 0 + 15 + 0 + 611 + 0 + 7 = 666.

It is not a de Polignac number, because 1266015061107 - 2¹⁵ = 1266015028339 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1266015061307) 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 in 5 ways as a sum of consecutive naturals, for example, 70334170053 + ... + 70334170070.

It is an arithmetic number, because the mean of its divisors is an integer number (304781403602).

Almost surely, 2^{1266015061107} is an apocalyptic number.

1266015061107 is a deficient number, since it is larger than the sum of its proper divisors (562673360505).

1266015061107 is a wasteful number, since it uses less digits than its factorization.

1266015061107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140668340129 (or 140668340126 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The spelling of 1266015061107 in words is "one trillion, two hundred sixty-six billion, fifteen million, sixty-one thousand, one hundred seven".