42545646551122 has 32 divisors (see below), whose sum is σ = 78235351286400. Its totient is φ = 17075175870720.

The previous prime is 42545646551117. The next prime is 42545646551147. The reversal of 42545646551122 is 22115564654524.

It is a self number, because there is not a number n which added to its sum of digits gives 42545646551122.

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, 3233928247 + ... + 3233941402.

It is an arithmetic number, because the mean of its divisors is an integer number (2444854727700).

Almost surely, 2^{42545646551122} is an apocalyptic number.

42545646551122 is a deficient number, since it is larger than the sum of its proper divisors (35689704735278).

42545646551122 is a wasteful number, since it uses less digits than its factorization.

42545646551122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6467869698.

The product of its digits is 11520000, while the sum is 52.

The spelling of 42545646551122 in words is "forty-two trillion, five hundred forty-five billion, six hundred forty-six million, five hundred fifty-one thousand, one hundred twenty-two".