112100621528478 has 64 divisors (see below), whose sum is σ = 245157152937984. Its totient is φ = 33890171904000.

The previous prime is 112100621528471. The next prime is 112100621528543. The reversal of 112100621528478 is 874825126001211.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112100621528471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1015063923 + ... + 1015174353.

It is an arithmetic number, because the mean of its divisors is an integer number (3830580514656).

Almost surely, 2^{112100621528478} is an apocalyptic number.

112100621528478 is an abundant number, since it is smaller than the sum of its proper divisors (133056531409506).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

112100621528478 is a wasteful number, since it uses less digits than its factorization.

112100621528478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146401.

The product of its (nonzero) digits is 430080, while the sum is 48.

Adding to 112100621528478 its reverse (874825126001211), we get a palindrome (986925747529689).

The spelling of 112100621528478 in words is "one hundred twelve trillion, one hundred billion, six hundred twenty-one million, five hundred twenty-eight thousand, four hundred seventy-eight".