11670782131 has 2 divisors, whose sum is σ = 11670782132. Its totient is φ = 11670782130.

The previous prime is 11670782119. The next prime is 11670782147. The reversal of 11670782131 is 13128707611.

It is a weak prime.

It is an emirp because it is prime and its reverse (13128707611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11670782131 - 2¹⁷ = 11670651059 is a prime.

It is a super-2 number, since 2×11670782131² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11670782531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5835391065 + 5835391066.

It is an arithmetic number, because the mean of its divisors is an integer number (5835391066).

Almost surely, 2^11670782131 is an apocalyptic number.

11670782131 is a deficient number, since it is larger than the sum of its proper divisors (1).

11670782131 is an equidigital number, since it uses as much as digits as its factorization.

11670782131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14112, while the sum is 37.

The spelling of 11670782131 in words is "eleven billion, six hundred seventy million, seven hundred eighty-two thousand, one hundred thirty-one".