11701667775 has 48 divisors (see below), whose sum is σ = 22325348864. Its totient is φ = 5297374080.

The previous prime is 11701667753. The next prime is 11701667777. The reversal of 11701667775 is 57776610711.

It is not a de Polignac number, because 11701667775 - 2⁶ = 11701667711 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11701667777) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 54124 + ... + 162273.

Almost surely, 2^11701667775 is an apocalyptic number.

11701667775 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11701667775 is a deficient number, since it is larger than the sum of its proper divisors (10623681089).

11701667775 is a wasteful number, since it uses less digits than its factorization.

11701667775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216520 (or 216515 counting only the distinct ones).

The product of its (nonzero) digits is 432180, while the sum is 48.

The spelling of 11701667775 in words is "eleven billion, seven hundred one million, six hundred sixty-seven thousand, seven hundred seventy-five".