1296432228526 has 16 divisors (see below), whose sum is σ = 1961053420896. Its totient is φ = 642764712096.

The previous prime is 1296432228493. The next prime is 1296432228527. The reversal of 1296432228526 is 6258222346921.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1296432228527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4086061 + ... + 4391896.

It is an arithmetic number, because the mean of its divisors is an integer number (122565838806).

Almost surely, 2^{1296432228526} is an apocalyptic number.

1296432228526 is a deficient number, since it is larger than the sum of its proper divisors (664621192370).

1296432228526 is a wasteful number, since it uses less digits than its factorization.

1296432228526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8478603.

The product of its digits is 4976640, while the sum is 52.

The spelling of 1296432228526 in words is "one trillion, two hundred ninety-six billion, four hundred thirty-two million, two hundred twenty-eight thousand, five hundred twenty-six".