111540332497 has 16 divisors (see below), whose sum is σ = 126550944000. Its totient is φ = 97410867840.

The previous prime is 111540332473. The next prime is 111540332537. The reversal of 111540332497 is 794233045111.

It is not a de Polignac number, because 111540332497 - 2¹⁹ = 111539808209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111540332467) 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, 1702372 + ... + 1766677.

It is an arithmetic number, because the mean of its divisors is an integer number (7909434000).

Almost surely, 2^111540332497 is an apocalyptic number.

It is an amenable number.

111540332497 is a deficient number, since it is larger than the sum of its proper divisors (15010611503).

111540332497 is a wasteful number, since it uses less digits than its factorization.

111540332497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3469176.

The product of its (nonzero) digits is 90720, while the sum is 40.

The spelling of 111540332497 in words is "one hundred eleven billion, five hundred forty million, three hundred thirty-two thousand, four hundred ninety-seven".