42552522051 has 16 divisors (see below), whose sum is σ = 61132807680. Its totient is φ = 26172560160.

The previous prime is 42552522049. The next prime is 42552522071. The reversal of 42552522051 is 15022525524.

It is a happy number.

It is not a de Polignac number, because 42552522051 - 2¹ = 42552522049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42552522041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 207211 + ... + 357828.

It is an arithmetic number, because the mean of its divisors is an integer number (3820800480).

Almost surely, 2^42552522051 is an apocalyptic number.

42552522051 is a deficient number, since it is larger than the sum of its proper divisors (18580285629).

42552522051 is a wasteful number, since it uses less digits than its factorization.

42552522051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 566986.

The product of its (nonzero) digits is 40000, while the sum is 33.

The spelling of 42552522051 in words is "forty-two billion, five hundred fifty-two million, five hundred twenty-two thousand, fifty-one".