1252415214551 has 2 divisors, whose sum is σ = 1252415214552. Its totient is φ = 1252415214550.

The previous prime is 1252415214527. The next prime is 1252415214569. The reversal of 1252415214551 is 1554125142521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1252415214551 - 2²² = 1252411020247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1252415213551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626207607275 + 626207607276.

It is an arithmetic number, because the mean of its divisors is an integer number (626207607276).

Almost surely, 2^{1252415214551} is an apocalyptic number.

1252415214551 is a deficient number, since it is larger than the sum of its proper divisors (1).

1252415214551 is an equidigital number, since it uses as much as digits as its factorization.

1252415214551 is an evil number, because the sum of its binary digits is even.

The product of its digits is 80000, while the sum is 38.

The spelling of 1252415214551 in words is "one trillion, two hundred fifty-two billion, four hundred fifteen million, two hundred fourteen thousand, five hundred fifty-one".