11900785937860 has 12 divisors (see below), whose sum is σ = 24991650469548. Its totient is φ = 4760314375136.

The previous prime is 11900785937851. The next prime is 11900785937861. The reversal of 11900785937860 is 6873958700911.

It can be written as a sum of positive squares in 2 ways, for example, as 2840108008644 + 9060677929216 = 1685262^2 + 3010096^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11900785937792 and 11900785937801.

It is not an unprimeable number, because it can be changed into a prime (11900785937861) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 297519648427 + ... + 297519648466.

It is an arithmetic number, because the mean of its divisors is an integer number (2082637539129).

Almost surely, 2^{11900785937860} is an apocalyptic number.

11900785937860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11900785937860 is an abundant number, since it is smaller than the sum of its proper divisors (13090864531688).

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

11900785937860 is a wasteful number, since it uses less digits than its factorization.

11900785937860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595039296902 (or 595039296900 counting only the distinct ones).

The product of its (nonzero) digits is 22861440, while the sum is 64.

The spelling of 11900785937860 in words is "eleven trillion, nine hundred billion, seven hundred eighty-five million, nine hundred thirty-seven thousand, eight hundred sixty".