42531661110 has 64 divisors (see below), whose sum is σ = 102869222400. Its totient is φ = 11253801600.

The previous prime is 42531661091. The next prime is 42531661141. The reversal of 42531661110 is 1116613524.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 4747135 + ... + 4756085.

It is an arithmetic number, because the mean of its divisors is an integer number (1607331600).

Almost surely, 2^42531661110 is an apocalyptic number.

42531661110 is an abundant number, since it is smaller than the sum of its proper divisors (60337561290).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42531661110 is a wasteful number, since it uses less digits than its factorization.

42531661110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10173.

The product of its (nonzero) digits is 4320, while the sum is 30.

The spelling of 42531661110 in words is "forty-two billion, five hundred thirty-one million, six hundred sixty-one thousand, one hundred ten".