1110421312725 has 24 divisors (see below), whose sum is σ = 1836597352032. Its totient is φ = 591998641600.

The previous prime is 1110421312687. The next prime is 1110421312727. The reversal of 1110421312725 is 5272131240111.

It is not a de Polignac number, because 1110421312725 - 2¹⁶ = 1110421247189 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1110421312692 and 1110421312701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1110421312727) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2627847 + ... + 3020996.

It is an arithmetic number, because the mean of its divisors is an integer number (76524889668).

Almost surely, 2^{1110421312725} is an apocalyptic number.

1110421312725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1110421312725 is a deficient number, since it is larger than the sum of its proper divisors (726176039307).

1110421312725 is a wasteful number, since it uses less digits than its factorization.

1110421312725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5651477 (or 5651472 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 30.

Adding to 1110421312725 its reverse (5272131240111), we get a palindrome (6382552552836).

The spelling of 1110421312725 in words is "one trillion, one hundred ten billion, four hundred twenty-one million, three hundred twelve thousand, seven hundred twenty-five".