12890528551 has 2 divisors, whose sum is σ = 12890528552. Its totient is φ = 12890528550.

The previous prime is 12890528491. The next prime is 12890528557. The reversal of 12890528551 is 15582509821.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12890528551 - 2¹³ = 12890520359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12890528557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6445264275 + 6445264276.

It is an arithmetic number, because the mean of its divisors is an integer number (6445264276).

Almost surely, 2^12890528551 is an apocalyptic number.

12890528551 is a deficient number, since it is larger than the sum of its proper divisors (1).

12890528551 is an equidigital number, since it uses as much as digits as its factorization.

12890528551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288000, while the sum is 46.

The spelling of 12890528551 in words is "twelve billion, eight hundred ninety million, five hundred twenty-eight thousand, five hundred fifty-one".