11728658403276 has 24 divisors (see below), whose sum is σ = 27369161782704. Its totient is φ = 3909225347520.

The previous prime is 11728658403233. The next prime is 11728658403349. The reversal of 11728658403276 is 67230485682711.

It is a super-2 number, since 2×11728658403276² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40782435 + ... + 41069018.

It is an arithmetic number, because the mean of its divisors is an integer number (1140381740946).

Almost surely, 2^{11728658403276} is an apocalyptic number.

It is an amenable number.

11728658403276 is an abundant number, since it is smaller than the sum of its proper divisors (15640503379428).

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

11728658403276 is a wasteful number, since it uses less digits than its factorization.

11728658403276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81863401 (or 81863399 counting only the distinct ones).

The product of its (nonzero) digits is 27095040, while the sum is 60.

The spelling of 11728658403276 in words is "eleven trillion, seven hundred twenty-eight billion, six hundred fifty-eight million, four hundred three thousand, two hundred seventy-six".