1552512224491 has 2 divisors, whose sum is σ = 1552512224492. Its totient is φ = 1552512224490.

The previous prime is 1552512224467. The next prime is 1552512224537. The reversal of 1552512224491 is 1944222152551.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1552512224491 - 2⁷ = 1552512224363 is a prime.

It is not a weakly prime, because it can be changed into another prime (1552512224411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 776256112245 + 776256112246.

It is an arithmetic number, because the mean of its divisors is an integer number (776256112246).

Almost surely, 2^{1552512224491} is an apocalyptic number.

1552512224491 is a deficient number, since it is larger than the sum of its proper divisors (1).

1552512224491 is an equidigital number, since it uses as much as digits as its factorization.

1552512224491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 288000, while the sum is 43.

The spelling of 1552512224491 in words is "one trillion, five hundred fifty-two billion, five hundred twelve million, two hundred twenty-four thousand, four hundred ninety-one".