42512451051 has 32 divisors (see below), whose sum is σ = 68028115968. Its totient is φ = 23088574080.

The previous prime is 42512451019. The next prime is 42512451071. The reversal of 42512451051 is 15015421524.

It is not a de Polignac number, because 42512451051 - 2⁵ = 42512451019 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42512451071) 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, 204480 + ... + 356141.

It is an arithmetic number, because the mean of its divisors is an integer number (2125878624).

Almost surely, 2^42512451051 is an apocalyptic number.

42512451051 is a deficient number, since it is larger than the sum of its proper divisors (25515664917).

42512451051 is a wasteful number, since it uses less digits than its factorization.

42512451051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560811.

The product of its (nonzero) digits is 8000, while the sum is 30.

Adding to 42512451051 its reverse (15015421524), we get a palindrome (57527872575).

The spelling of 42512451051 in words is "forty-two billion, five hundred twelve million, four hundred fifty-one thousand, fifty-one".