11111672278340 has 24 divisors (see below), whose sum is σ = 23717044767192. Its totient is φ = 4371805486080.

The previous prime is 11111672278313. The next prime is 11111672278361. The reversal of 11111672278340 is 4387227611111.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 645554399296 + 10466117879044 = 803464^2 + 3235138^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11111672278291 and 11111672278300.

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, 4553962829 + ... + 4553965268.

It is an arithmetic number, because the mean of its divisors is an integer number (988210198633).

Almost surely, 2^{11111672278340} is an apocalyptic number.

11111672278340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11111672278340 is an abundant number, since it is smaller than the sum of its proper divisors (12605372488852).

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

11111672278340 is a wasteful number, since it uses less digits than its factorization.

11111672278340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9107928167 (or 9107928165 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 44.

Adding to 11111672278340 its reverse (4387227611111), we get a palindrome (15498899889451).

The spelling of 11111672278340 in words is "eleven trillion, one hundred eleven billion, six hundred seventy-two million, two hundred seventy-eight thousand, three hundred forty".