11970105727 has 16 divisors (see below), whose sum is σ = 12406993920. Its totient is φ = 11539438848.

The previous prime is 11970105713. The next prime is 11970105731. The reversal of 11970105727 is 72750107911.

It is a cyclic number.

It is not a de Polignac number, because 11970105727 - 2⁷ = 11970105599 is a prime.

It is a super-2 number, since 2×11970105727² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11970105727.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11970105737) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5210043 + ... + 5212339.

It is an arithmetic number, because the mean of its divisors is an integer number (775437120).

Almost surely, 2^11970105727 is an apocalyptic number.

11970105727 is a deficient number, since it is larger than the sum of its proper divisors (436888193).

11970105727 is a wasteful number, since it uses less digits than its factorization.

11970105727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3570.

The product of its (nonzero) digits is 30870, while the sum is 40.

The spelling of 11970105727 in words is "eleven billion, nine hundred seventy million, one hundred five thousand, seven hundred twenty-seven".