11726795860 has 24 divisors (see below), whose sum is σ = 26520600456. Its totient is φ = 4329893760.

The previous prime is 11726795849. The next prime is 11726795911. The reversal of 11726795860 is 6859762711.

It can be written as a sum of positive squares in 4 ways, for example, as 2474664516 + 9252131344 = 49746^2 + 96188^2 .

It is a super-2 number, since 2×11726795860² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a junction number, because it is equal to n+sod(n) for n = 11726795798 and 11726795807.

It is a congruent number.

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, 22551271 + ... + 22551790.

It is an arithmetic number, because the mean of its divisors is an integer number (1105025019).

Almost surely, 2^11726795860 is an apocalyptic number.

11726795860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11726795860 is an abundant number, since it is smaller than the sum of its proper divisors (14793804596).

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

11726795860 is a wasteful number, since it uses less digits than its factorization.

11726795860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45103083 (or 45103081 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 52.

The spelling of 11726795860 in words is "eleven billion, seven hundred twenty-six million, seven hundred ninety-five thousand, eight hundred sixty".