2051251046624 has 48 divisors (see below), whose sum is σ = 4604872981968. Its totient is φ = 891041175552.

The previous prime is 2051251046623. The next prime is 2051251046629. The reversal of 2051251046624 is 4266401521502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2051251046623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145019162 + ... + 145033305.

It is an arithmetic number, because the mean of its divisors is an integer number (95934853791).

Almost surely, 2^{2051251046624} is an apocalyptic number.

It is an amenable number.

2051251046624 is an abundant number, since it is smaller than the sum of its proper divisors (2553621935344).

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

2051251046624 is a wasteful number, since it uses less digits than its factorization.

2051251046624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290052507 (or 290052499 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 38.

The spelling of 2051251046624 in words is "two trillion, fifty-one billion, two hundred fifty-one million, forty-six thousand, six hundred twenty-four".