2051251062506 has 8 divisors (see below), whose sum is σ = 3079890188004. Its totient is φ = 1024620999840.

The previous prime is 2051251062481. The next prime is 2051251062521. The reversal of 2051251062506 is 6052601521502.

It can be written as a sum of positive squares in 2 ways, for example, as 1838218044481 + 213033018025 = 1355809^2 + 461555^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 502263155 + ... + 502267238.

Almost surely, 2^{2051251062506} is an apocalyptic number.

2051251062506 is a deficient number, since it is larger than the sum of its proper divisors (1028639125498).

2051251062506 is a wasteful number, since it uses less digits than its factorization.

2051251062506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1004531416.

The product of its (nonzero) digits is 36000, while the sum is 35.

The spelling of 2051251062506 in words is "two trillion, fifty-one billion, two hundred fifty-one million, sixty-two thousand, five hundred six".