2051772771502 has 4 divisors (see below), whose sum is σ = 3077659157256. Its totient is φ = 1025886385750.

The previous prime is 2051772771497. The next prime is 2051772771523.

2051772771502 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 512943192874 + ... + 512943192877.

It is an arithmetic number, because the mean of its divisors is an integer number (769414789314).

Almost surely, 2^{2051772771502} is an apocalyptic number.

2051772771502 is a deficient number, since it is larger than the sum of its proper divisors (1025886385754).

2051772771502 is a wasteful number, since it uses less digits than its factorization.

2051772771502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025886385753.

The product of its (nonzero) digits is 480200, while the sum is 46.

The spelling of 2051772771502 in words is "two trillion, fifty-one billion, seven hundred seventy-two million, seven hundred seventy-one thousand, five hundred two".