42411221545 has 64 divisors (see below), whose sum is σ = 66850560000. Its totient is φ = 25024412160.

The previous prime is 42411221537. The next prime is 42411221561. The reversal of 42411221545 is 54512211424.

It is not a de Polignac number, because 42411221545 - 2³ = 42411221537 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12119206 + ... + 12122704.

It is an arithmetic number, because the mean of its divisors is an integer number (1044540000).

Almost surely, 2^42411221545 is an apocalyptic number.

It is an amenable number.

42411221545 is a deficient number, since it is larger than the sum of its proper divisors (24439338455).

42411221545 is a wasteful number, since it uses less digits than its factorization.

42411221545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5198.

The product of its digits is 12800, while the sum is 31.

Adding to 42411221545 its reverse (54512211424), we get a palindrome (96923432969).

The spelling of 42411221545 in words is "forty-two billion, four hundred eleven million, two hundred twenty-one thousand, five hundred forty-five".