111414380447478 has 16 divisors (see below), whose sum is σ = 223449453826560. Its totient is φ = 37034677993896.

The previous prime is 111414380447423. The next prime is 111414380447479. The reversal of 111414380447478 is 874744083414111.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111414380447479) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25862203150 + ... + 25862207457.

It is an arithmetic number, because the mean of its divisors is an integer number (13965590864160).

Almost surely, 2^{111414380447478} is an apocalyptic number.

111414380447478 is an abundant number, since it is smaller than the sum of its proper divisors (112035073379082).

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

111414380447478 is a wasteful number, since it uses less digits than its factorization.

111414380447478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51724410971.

The product of its (nonzero) digits is 9633792, while the sum is 57.

The spelling of 111414380447478 in words is "one hundred eleven trillion, four hundred fourteen billion, three hundred eighty million, four hundred forty-seven thousand, four hundred seventy-eight".