42435115761 has 16 divisors (see below), whose sum is σ = 57159615168. Its totient is φ = 28000536000.

The previous prime is 42435115727. The next prime is 42435115781. The reversal of 42435115761 is 16751153424.

It is not a de Polignac number, because 42435115761 - 2⁷ = 42435115633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42435115781) 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, 941830 + ... + 985856.

It is an arithmetic number, because the mean of its divisors is an integer number (3572475948).

Almost surely, 2^42435115761 is an apocalyptic number.

It is an amenable number.

42435115761 is a deficient number, since it is larger than the sum of its proper divisors (14724499407).

42435115761 is a wasteful number, since it uses less digits than its factorization.

42435115761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47312.

The product of its digits is 100800, while the sum is 39.

The spelling of 42435115761 in words is "forty-two billion, four hundred thirty-five million, one hundred fifteen thousand, seven hundred sixty-one".