111545505013 has 8 divisors (see below), whose sum is σ = 112605292800. Its totient is φ = 110486379888.

The previous prime is 111545504971. The next prime is 111545505031. The reversal of 111545505013 is 310505545111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111545505013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111545505053) 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, 175920 + ... + 504022.

It is an arithmetic number, because the mean of its divisors is an integer number (14075661600).

Almost surely, 2^111545505013 is an apocalyptic number.

It is an amenable number.

111545505013 is a deficient number, since it is larger than the sum of its proper divisors (1059787787).

111545505013 is a wasteful number, since it uses less digits than its factorization.

111545505013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331331.

The product of its (nonzero) digits is 7500, while the sum is 31.

The spelling of 111545505013 in words is "one hundred eleven billion, five hundred forty-five million, five hundred five thousand, thirteen".