111361401 has 12 divisors (see below), whose sum is σ = 161244720. Its totient is φ = 74061240.

The previous prime is 111361399. The next prime is 111361447. The reversal of 111361401 is 104163111.

It is not a de Polignac number, because 111361401 - 2¹ = 111361399 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (111361501) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10995 + ... + 18536.

It is an arithmetic number, because the mean of its divisors is an integer number (13437060).

Almost surely, 2^111361401 is an apocalyptic number.

It is an amenable number.

111361401 is a deficient number, since it is larger than the sum of its proper divisors (49883319).

111361401 is a wasteful number, since it uses less digits than its factorization.

111361401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29956 (or 29953 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 111361401 is about 10552.7911473695. The cubic root of 111361401 is about 481.1105665432.

The spelling of 111361401 in words is "one hundred eleven million, three hundred sixty-one thousand, four hundred one".