2251215442051 has 2 divisors, whose sum is σ = 2251215442052. Its totient is φ = 2251215442050.

The previous prime is 2251215442031. The next prime is 2251215442057. The reversal of 2251215442051 is 1502445121522.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2251215442051 - 2⁹ = 2251215441539 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2251215441998 and 2251215442016.

It is not a weakly prime, because it can be changed into another prime (2251215442057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1125607721025 + 1125607721026.

It is an arithmetic number, because the mean of its divisors is an integer number (1125607721026).

Almost surely, 2^{2251215442051} is an apocalyptic number.

2251215442051 is a deficient number, since it is larger than the sum of its proper divisors (1).

2251215442051 is an equidigital number, since it uses as much as digits as its factorization.

2251215442051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32000, while the sum is 34.

The spelling of 2251215442051 in words is "two trillion, two hundred fifty-one billion, two hundred fifteen million, four hundred forty-two thousand, fifty-one".