2551300021511 has 2 divisors, whose sum is σ = 2551300021512. Its totient is φ = 2551300021510.

The previous prime is 2551300021441. The next prime is 2551300021531. The reversal of 2551300021511 is 1151200031552.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2551300021511 - 2¹⁰ = 2551300020487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2551300021531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1275650010755 + 1275650010756.

It is an arithmetic number, because the mean of its divisors is an integer number (1275650010756).

Almost surely, 2^{2551300021511} is an apocalyptic number.

2551300021511 is a deficient number, since it is larger than the sum of its proper divisors (1).

2551300021511 is an equidigital number, since it uses as much as digits as its factorization.

2551300021511 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1500, while the sum is 26.

The spelling of 2551300021511 in words is "two trillion, five hundred fifty-one billion, three hundred million, twenty-one thousand, five hundred eleven".