42250511506 has 16 divisors (see below), whose sum is σ = 74765882880. Its totient is φ = 17523253440.

The previous prime is 42250511467. The next prime is 42250511509. The reversal of 42250511506 is 60511505224.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (42250511509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48675271 + ... + 48676138.

It is an arithmetic number, because the mean of its divisors is an integer number (4672867680).

Almost surely, 2^42250511506 is an apocalyptic number.

42250511506 is a deficient number, since it is larger than the sum of its proper divisors (32515371374).

42250511506 is a wasteful number, since it uses less digits than its factorization.

42250511506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97351449.

The product of its (nonzero) digits is 12000, while the sum is 31.

The spelling of 42250511506 in words is "forty-two billion, two hundred fifty million, five hundred eleven thousand, five hundred six".