111241768660 has 36 divisors (see below), whose sum is σ = 256775426964. Its totient is φ = 40451551360.

The previous prime is 111241768643. The next prime is 111241768663. The reversal of 111241768660 is 66867142111.

It can be written as a sum of positive squares in 2 ways, for example, as 20942720656 + 90299048004 = 144716^2 + 300498^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111241768663) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22981417 + ... + 22986256.

It is an arithmetic number, because the mean of its divisors is an integer number (7132650749).

Almost surely, 2^111241768660 is an apocalyptic number.

111241768660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111241768660 is an abundant number, since it is smaller than the sum of its proper divisors (145533658304).

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

111241768660 is a wasteful number, since it uses less digits than its factorization.

111241768660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45967704 (or 45967691 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 43.

The spelling of 111241768660 in words is "one hundred eleven billion, two hundred forty-one million, seven hundred sixty-eight thousand, six hundred sixty".