111401660254 has 16 divisors (see below), whose sum is σ = 170888330880. Its totient is φ = 54446697760.

The previous prime is 111401660231. The next prime is 111401660261. The reversal of 111401660254 is 452066104111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1924942 + ... + 1981969.

It is an arithmetic number, because the mean of its divisors is an integer number (10680520680).

Almost surely, 2^111401660254 is an apocalyptic number.

111401660254 is a deficient number, since it is larger than the sum of its proper divisors (59486670626).

111401660254 is a wasteful number, since it uses less digits than its factorization.

111401660254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3907235.

The product of its (nonzero) digits is 5760, while the sum is 31.

Adding to 111401660254 its reverse (452066104111), we get a palindrome (563467764365).

The spelling of 111401660254 in words is "one hundred eleven billion, four hundred one million, six hundred sixty thousand, two hundred fifty-four".