42515763481 has 16 divisors (see below), whose sum is σ = 43698493440. Its totient is φ = 41340257280.

The previous prime is 42515763467. The next prime is 42515763491. The reversal of 42515763481 is 18436751524.

It is a cyclic number.

It is not a de Polignac number, because 42515763481 - 2¹⁷ = 42515632409 is a prime.

It is a super-2 number, since 2×42515763481² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42515763401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19838296 + ... + 19840438.

It is an arithmetic number, because the mean of its divisors is an integer number (2731155840).

Almost surely, 2^42515763481 is an apocalyptic number.

42515763481 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

42515763481 is a deficient number, since it is larger than the sum of its proper divisors (1182729959).

42515763481 is a wasteful number, since it uses less digits than its factorization.

42515763481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3576.

The product of its digits is 806400, while the sum is 46.

The spelling of 42515763481 in words is "forty-two billion, five hundred fifteen million, seven hundred sixty-three thousand, four hundred eighty-one".