11935877475220 has 12 divisors (see below), whose sum is σ = 25065342698004. Its totient is φ = 4774350990080.

The previous prime is 11935877475199. The next prime is 11935877475229. The reversal of 11935877475220 is 2257477853911.

It can be written as a sum of positive squares in 2 ways, for example, as 7084976944644 + 4850900530576 = 2661762^2 + 2202476^2 .

It is a super-2 number, since 2×11935877475220² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11935877475229) 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, 298396936861 + ... + 298396936900.

It is an arithmetic number, because the mean of its divisors is an integer number (2088778558167).

Almost surely, 2^{11935877475220} is an apocalyptic number.

11935877475220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11935877475220 is an abundant number, since it is smaller than the sum of its proper divisors (13129465222784).

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

11935877475220 is a wasteful number, since it uses less digits than its factorization.

11935877475220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596793873770 (or 596793873768 counting only the distinct ones).

The product of its (nonzero) digits is 29635200, while the sum is 61.

The spelling of 11935877475220 in words is "eleven trillion, nine hundred thirty-five billion, eight hundred seventy-seven million, four hundred seventy-five thousand, two hundred twenty".