42451010511 has 32 divisors (see below), whose sum is σ = 70016905728. Its totient is φ = 22278049920.

The previous prime is 42451010491. The next prime is 42451010519. The reversal of 42451010511 is 11501015424.

42451010511 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42451010511 - 2⁵ = 42451010479 is a prime.

It is a super-2 number, since 2×42451010511² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42451010519) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 340885 + ... + 448446.

It is an arithmetic number, because the mean of its divisors is an integer number (2188028304).

Almost surely, 2^42451010511 is an apocalyptic number.

42451010511 is a deficient number, since it is larger than the sum of its proper divisors (27565895217).

42451010511 is a wasteful number, since it uses less digits than its factorization.

42451010511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 789551.

The product of its (nonzero) digits is 800, while the sum is 24.

Adding to 42451010511 its reverse (11501015424), we get a palindrome (53952025935).

The spelling of 42451010511 in words is "forty-two billion, four hundred fifty-one million, ten thousand, five hundred eleven".