651151045127 has 16 divisors (see below), whose sum is σ = 720195383040. Its totient is φ = 583804584000.

The previous prime is 651151045109. The next prime is 651151045133. The reversal of 651151045127 is 721540151156.

It is not a de Polignac number, because 651151045127 - 2⁶ = 651151045063 is a prime.

It is a super-4 number, since 4×651151045127⁴ (a number of 48 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (651151045157) 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, 1179278 + ... + 1641035.

It is an arithmetic number, because the mean of its divisors is an integer number (45012211440).

Almost surely, 2^651151045127 is an apocalyptic number.

651151045127 is a deficient number, since it is larger than the sum of its proper divisors (69044337913).

651151045127 is a wasteful number, since it uses less digits than its factorization.

651151045127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2820614.

The product of its (nonzero) digits is 42000, while the sum is 38.

The spelling of 651151045127 in words is "six hundred fifty-one billion, one hundred fifty-one million, forty-five thousand, one hundred twenty-seven".