111506100615601 has 8 divisors (see below), whose sum is σ = 120066389497440. Its totient is φ = 103168156899648.

The previous prime is 111506100615587. The next prime is 111506100615649. The reversal of 111506100615601 is 106516001605111.

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

It is not a de Polignac number, because 111506100615601 - 2³⁹ = 110956344801713 is a prime.

It is a super-3 number, since 3×111506100615601³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111506100610601) 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, 55586290431 + ... + 55586292436.

It is an arithmetic number, because the mean of its divisors is an integer number (15008298687180).

Almost surely, 2^{111506100615601} is an apocalyptic number.

It is an amenable number.

111506100615601 is a deficient number, since it is larger than the sum of its proper divisors (8560288881839).

111506100615601 is a wasteful number, since it uses less digits than its factorization.

111506100615601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111172582943.

The product of its (nonzero) digits is 5400, while the sum is 34.

The spelling of 111506100615601 in words is "one hundred eleven trillion, five hundred six billion, one hundred million, six hundred fifteen thousand, six hundred one".