42432052201251 has 128 divisors (see below), whose sum is σ = 63928192204800. Its totient is φ = 24904335012480.

The previous prime is 42432052201249. The next prime is 42432052201349. The reversal of 42432052201251 is 15210225023424.

It is not a de Polignac number, because 42432052201251 - 2¹ = 42432052201249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42432052301251) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 10984220746 + ... + 10984224608.

It is an arithmetic number, because the mean of its divisors is an integer number (499439001600).

Almost surely, 2^{42432052201251} is an apocalyptic number.

42432052201251 is a deficient number, since it is larger than the sum of its proper divisors (21496140003549).

42432052201251 is a wasteful number, since it uses less digits than its factorization.

42432052201251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4941.

The product of its (nonzero) digits is 38400, while the sum is 33.

Adding to 42432052201251 its reverse (15210225023424), we get a palindrome (57642277224675).

The spelling of 42432052201251 in words is "forty-two trillion, four hundred thirty-two billion, fifty-two million, two hundred one thousand, two hundred fifty-one".