1156105712907 has 12 divisors (see below), whose sum is σ = 1669943680704. Its totient is φ = 770731046640.

The previous prime is 1156105712869. The next prime is 1156105712921. The reversal of 1156105712907 is 7092175016511.

1156105712907 is a `hidden beast` number, since 1 + 1 + 5 + 610 + 5 + 7 + 1 + 29 + 0 + 7 = 666.

It is not a de Polignac number, because 1156105712907 - 2¹⁴ = 1156105696523 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1156105712507) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 898182 + ... + 1766052.

It is an arithmetic number, because the mean of its divisors is an integer number (139161973392).

Almost surely, 2^{1156105712907} is an apocalyptic number.

1156105712907 is a deficient number, since it is larger than the sum of its proper divisors (513837967797).

1156105712907 is a wasteful number, since it uses less digits than its factorization.

1156105712907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1015890 (or 1015887 counting only the distinct ones).

The product of its (nonzero) digits is 132300, while the sum is 45.

The spelling of 1156105712907 in words is "one trillion, one hundred fifty-six billion, one hundred five million, seven hundred twelve thousand, nine hundred seven".