42042111421325 has 12 divisors (see below), whose sum is σ = 55198819231380. Its totient is φ = 31655236834560.

The previous prime is 42042111421319. The next prime is 42042111421351. The reversal of 42042111421325 is 52312411124024.

It can be written as a sum of positive squares in 6 ways, for example, as 806436328324 + 41235675093001 = 898018^2 + 6421501^2 .

It is not a de Polignac number, because 42042111421325 - 2³⁴ = 42024931552141 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42042111421291 and 42042111421300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49461307130 + ... + 49461307979.

It is an arithmetic number, because the mean of its divisors is an integer number (4599901602615).

Almost surely, 2^{42042111421325} is an apocalyptic number.

It is an amenable number.

42042111421325 is a deficient number, since it is larger than the sum of its proper divisors (13156707810055).

42042111421325 is a wasteful number, since it uses less digits than its factorization.

42042111421325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98922615136 (or 98922615131 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 32.

Adding to 42042111421325 its reverse (52312411124024), we get a palindrome (94354522545349).

The spelling of 42042111421325 in words is "forty-two trillion, forty-two billion, one hundred eleven million, four hundred twenty-one thousand, three hundred twenty-five".