11506693329 has 8 divisors (see below), whose sum is σ = 17046953120. Its totient is φ = 7671128868.

The previous prime is 11506693279. The next prime is 11506693339. The reversal of 11506693329 is 92339660511.

It is not a de Polignac number, because 11506693329 - 2⁸ = 11506693073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11506693339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213086887 + ... + 213086940.

It is an arithmetic number, because the mean of its divisors is an integer number (2130869140).

Almost surely, 2^11506693329 is an apocalyptic number.

It is an amenable number.

11506693329 is a deficient number, since it is larger than the sum of its proper divisors (5540259791).

11506693329 is an equidigital number, since it uses as much as digits as its factorization.

11506693329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426173836 (or 426173830 counting only the distinct ones).

The product of its (nonzero) digits is 262440, while the sum is 45.

The spelling of 11506693329 in words is "eleven billion, five hundred six million, six hundred ninety-three thousand, three hundred twenty-nine".