2051251062505 has 16 divisors (see below), whose sum is σ = 2463494342400. Its totient is φ = 1639672693120.

The previous prime is 2051251062481. The next prime is 2051251062521. The reversal of 2051251062505 is 5052601521502.

It is not a de Polignac number, because 2051251062505 - 2⁵ = 2051251062473 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31883520 + ... + 31947790.

It is an arithmetic number, because the mean of its divisors is an integer number (153968396400).

Almost surely, 2^{2051251062505} is an apocalyptic number.

It is an amenable number.

2051251062505 is a deficient number, since it is larger than the sum of its proper divisors (412243279895).

2051251062505 is a wasteful number, since it uses less digits than its factorization.

2051251062505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69344.

The product of its (nonzero) digits is 30000, while the sum is 34.

The spelling of 2051251062505 in words is "two trillion, fifty-one billion, two hundred fifty-one million, sixty-two thousand, five hundred five".