111381338072459 has 48 divisors (see below), whose sum is σ = 148402985649408. Its totient is φ = 82570078660608.

The previous prime is 111381338072449. The next prime is 111381338072471. The reversal of 111381338072459 is 954270833183111.

It is not a de Polignac number, because 111381338072459 - 2⁴⁴ = 93789152028043 is a prime.

It is a super-2 number, since 2×111381338072459² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (111381338072449) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20646722 + ... + 25476455.

It is an arithmetic number, because the mean of its divisors is an integer number (3091728867696).

Almost surely, 2^{111381338072459} is an apocalyptic number.

111381338072459 is a deficient number, since it is larger than the sum of its proper divisors (37021647576949).

111381338072459 is a wasteful number, since it uses less digits than its factorization.

111381338072459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46123444 (or 46123437 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 56.

The spelling of 111381338072459 in words is "one hundred eleven trillion, three hundred eighty-one billion, three hundred thirty-eight million, seventy-two thousand, four hundred fifty-nine".