11946766371 has 16 divisors (see below), whose sum is σ = 16868227968. Its totient is φ = 7495030400.

The previous prime is 11946766357. The next prime is 11946766387. The reversal of 11946766371 is 17366764911.

It is a cyclic number.

It is not a de Polignac number, because 11946766371 - 2¹³ = 11946758179 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (11946766331) 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, 751576 + ... + 767306.

It is an arithmetic number, because the mean of its divisors is an integer number (1054264248).

Almost surely, 2^11946766371 is an apocalyptic number.

11946766371 is a deficient number, since it is larger than the sum of its proper divisors (4921461597).

11946766371 is a wasteful number, since it uses less digits than its factorization.

11946766371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30642.

The product of its digits is 1143072, while the sum is 51.

The spelling of 11946766371 in words is "eleven billion, nine hundred forty-six million, seven hundred sixty-six thousand, three hundred seventy-one".