11729370828 has 24 divisors (see below), whose sum is σ = 31278322432. Its totient is φ = 3351248784.

The previous prime is 11729370817. The next prime is 11729370839. The reversal of 11729370828 is 82807392711.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11729370817) and next prime (11729370839).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69817600 + ... + 69817767.

Almost surely, 2^11729370828 is an apocalyptic number.

It is an amenable number.

11729370828 is an abundant number, since it is smaller than the sum of its proper divisors (19548951604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11729370828 is a wasteful number, since it uses less digits than its factorization.

11729370828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139635381 (or 139635379 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 48.

The spelling of 11729370828 in words is "eleven billion, seven hundred twenty-nine million, three hundred seventy thousand, eight hundred twenty-eight".