65112131654 has 64 divisors (see below), whose sum is σ = 103012990080. Its totient is φ = 30837749760.

The previous prime is 65112131627. The next prime is 65112131677. The reversal of 65112131654 is 45613121156.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 150374222 + ... + 150374654.

It is an arithmetic number, because the mean of its divisors is an integer number (1609577970).

Almost surely, 2^65112131654 is an apocalyptic number.

65112131654 is a deficient number, since it is larger than the sum of its proper divisors (37900858426).

65112131654 is a wasteful number, since it uses less digits than its factorization.

65112131654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 865.

The product of its digits is 21600, while the sum is 35.

The spelling of 65112131654 in words is "sixty-five billion, one hundred twelve million, one hundred thirty-one thousand, six hundred fifty-four".