1535432009997 has 16 divisors (see below), whose sum is σ = 2048858976960. Its totient is φ = 1022813430912.

The previous prime is 1535432009987. The next prime is 1535432010011. The reversal of 1535432009997 is 7999002345351.

It is not a de Polignac number, because 1535432009997 - 2⁷ = 1535432009869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1535432009987) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29324713 + ... + 29377025.

It is an arithmetic number, because the mean of its divisors is an integer number (128053686060).

Almost surely, 2^{1535432009997} is an apocalyptic number.

It is an amenable number.

1535432009997 is a deficient number, since it is larger than the sum of its proper divisors (513426966963).

1535432009997 is a wasteful number, since it uses less digits than its factorization.

1535432009997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59852.

The product of its (nonzero) digits is 9185400, while the sum is 57.

The spelling of 1535432009997 in words is "one trillion, five hundred thirty-five billion, four hundred thirty-two million, nine thousand, nine hundred ninety-seven".