42111391037741 has 2 divisors, whose sum is σ = 42111391037742. Its totient is φ = 42111391037740.

The previous prime is 42111391037719. The next prime is 42111391037797. The reversal of 42111391037741 is 14773019311124.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22337769901225 + 19773621136516 = 4726285^2 + 4446754^2 .

It is a cyclic number.

It is not a de Polignac number, because 42111391037741 - 2²² = 42111386843437 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42111391037692 and 42111391037701.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42111391037041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21055695518870 + 21055695518871.

It is an arithmetic number, because the mean of its divisors is an integer number (21055695518871).

Almost surely, 2^{42111391037741} is an apocalyptic number.

It is an amenable number.

42111391037741 is a deficient number, since it is larger than the sum of its proper divisors (1).

42111391037741 is an equidigital number, since it uses as much as digits as its factorization.

42111391037741 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 127008, while the sum is 44.

The spelling of 42111391037741 in words is "forty-two trillion, one hundred eleven billion, three hundred ninety-one million, thirty-seven thousand, seven hundred forty-one".