1225432345157 has 2 divisors, whose sum is σ = 1225432345158. Its totient is φ = 1225432345156.

The previous prime is 1225432345141. The next prime is 1225432345211. The reversal of 1225432345157 is 7515432345221.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1149256897156 + 76175448001 = 1072034^2 + 275999^2 .

It is a cyclic number.

It is not a de Polignac number, because 1225432345157 - 2⁴ = 1225432345141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1225432345957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 612716172578 + 612716172579.

It is an arithmetic number, because the mean of its divisors is an integer number (612716172579).

Almost surely, 2^{1225432345157} is an apocalyptic number.

It is an amenable number.

1225432345157 is a deficient number, since it is larger than the sum of its proper divisors (1).

1225432345157 is an equidigital number, since it uses as much as digits as its factorization.

1225432345157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1008000, while the sum is 44.

The spelling of 1225432345157 in words is "one trillion, two hundred twenty-five billion, four hundred thirty-two million, three hundred forty-five thousand, one hundred fifty-seven".