111291960547 has 16 divisors (see below), whose sum is σ = 114264494080. Its totient is φ = 108337424832.

The previous prime is 111291960523. The next prime is 111291960551. The reversal of 111291960547 is 745069192111.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111291960547 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111291960497 and 111291960506.

It is not an unprimeable number, because it can be changed into a prime (111291960947) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25024078 + ... + 25028524.

It is an arithmetic number, because the mean of its divisors is an integer number (7141530880).

Almost surely, 2^111291960547 is an apocalyptic number.

111291960547 is a deficient number, since it is larger than the sum of its proper divisors (2972533533).

111291960547 is a wasteful number, since it uses less digits than its factorization.

111291960547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6322.

The product of its (nonzero) digits is 136080, while the sum is 46.

The spelling of 111291960547 in words is "one hundred eleven billion, two hundred ninety-one million, nine hundred sixty thousand, five hundred forty-seven".