42503122601266 has 32 divisors (see below), whose sum is σ = 65411770330368. Its totient is φ = 20707333471440.

The previous prime is 42503122601239. The next prime is 42503122601287. The reversal of 42503122601266 is 66210622130524.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2560 + ... + 9219883.

It is an arithmetic number, because the mean of its divisors is an integer number (2044117822824).

Almost surely, 2^{42503122601266} is an apocalyptic number.

42503122601266 is a deficient number, since it is larger than the sum of its proper divisors (22908647729102).

42503122601266 is a wasteful number, since it uses less digits than its factorization.

42503122601266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9222886.

The product of its (nonzero) digits is 207360, while the sum is 40.

The spelling of 42503122601266 in words is "forty-two trillion, five hundred three billion, one hundred twenty-two million, six hundred one thousand, two hundred sixty-six".