2051251062530 has 16 divisors (see below), whose sum is σ = 3696192433080. Its totient is φ = 819624753792.

The previous prime is 2051251062529. The next prime is 2051251062551. The reversal of 2051251062530 is 352601521502.

It can be written as a sum of positive squares in 4 ways, for example, as 625660434169 + 1425590628361 = 790987^2 + 1193981^2 .

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 7 ways as a sum of consecutive naturals, for example, 109449065 + ... + 109467804.

Almost surely, 2^{2051251062530} is an apocalyptic number.

2051251062530 is a deficient number, since it is larger than the sum of its proper divisors (1644941370550).

2051251062530 is a wasteful number, since it uses less digits than its factorization.

2051251062530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218917813.

The product of its (nonzero) digits is 18000, while the sum is 32.

The spelling of 2051251062530 in words is "two trillion, fifty-one billion, two hundred fifty-one million, sixty-two thousand, five hundred thirty".