11939180820462 has 36 divisors (see below), whose sum is σ = 30091608804816. Its totient is φ = 3411194519880.

The previous prime is 11939180820449. The next prime is 11939180820467. The reversal of 11939180820462 is 26402808193911.

It is a happy number.

11939180820462 is a `hidden beast` number, since 1 + 1 + 93 + 9 + 18 + 0 + 82 + 0 + 462 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 11939180820399 and 11939180820408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11939180820467) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 6768242214 + ... + 6768243977.

It is an arithmetic number, because the mean of its divisors is an integer number (835878022356).

Almost surely, 2^{11939180820462} is an apocalyptic number.

11939180820462 is an abundant number, since it is smaller than the sum of its proper divisors (18152427984354).

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

11939180820462 is a wasteful number, since it uses less digits than its factorization.

11939180820462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13536486213 (or 13536486203 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 54.

The spelling of 11939180820462 in words is "eleven trillion, nine hundred thirty-nine billion, one hundred eighty million, eight hundred twenty thousand, four hundred sixty-two".