42047123363225 has 12 divisors (see below), whose sum is σ = 53410102068540. Its totient is φ = 32817267014400.

The previous prime is 42047123363173. The next prime is 42047123363233. The reversal of 42047123363225 is 52236332174024.

It can be written as a sum of positive squares in 6 ways, for example, as 9297736509961 + 32749386853264 = 3049219^2 + 5722708^2 .

It is not a de Polignac number, because 42047123363225 - 2²⁶ = 42047056254361 is a prime.

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, 20510790860 + ... + 20510792909.

It is an arithmetic number, because the mean of its divisors is an integer number (4450841839045).

Almost surely, 2^{42047123363225} is an apocalyptic number.

It is an amenable number.

42047123363225 is a deficient number, since it is larger than the sum of its proper divisors (11362978705315).

42047123363225 is a wasteful number, since it uses less digits than its factorization.

42047123363225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41021583820 (or 41021583815 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 44.

The spelling of 42047123363225 in words is "forty-two trillion, forty-seven billion, one hundred twenty-three million, three hundred sixty-three thousand, two hundred twenty-five".