111216501550001 has 8 divisors (see below), whose sum is σ = 117070126175520. Its totient is φ = 105362889378912.

The previous prime is 111216501549973. The next prime is 111216501550061. The reversal of 111216501550001 is 100055105612111.

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

It is a cyclic number.

It is not a de Polignac number, because 111216501550001 - 2²² = 111216497355697 is a prime.

It is a super-2 number, since 2×111216501550001² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111216501550061) 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, 19384586 + ... + 24458028.

It is an arithmetic number, because the mean of its divisors is an integer number (14633765771940).

Almost surely, 2^{111216501550001} is an apocalyptic number.

It is an amenable number.

111216501550001 is a deficient number, since it is larger than the sum of its proper divisors (5853624625519).

111216501550001 is a wasteful number, since it uses less digits than its factorization.

111216501550001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6227215.

The product of its (nonzero) digits is 1500, while the sum is 29.

The spelling of 111216501550001 in words is "one hundred eleven trillion, two hundred sixteen billion, five hundred one million, five hundred fifty thousand, one".