1242006432615 has 64 divisors (see below), whose sum is σ = 2418161356800. Its totient is φ = 601085722752.

The previous prime is 1242006432559. The next prime is 1242006432649. The reversal of 1242006432615 is 5162346002421.

1242006432615 is a `hidden beast` number, since 1 + 2 + 4 + 2 + 0 + 0 + 6 + 4 + 32 + 615 = 666.

It is not a de Polignac number, because 1242006432615 - 2⁴⁰ = 142494804839 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1242006432615.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5893879 + ... + 6100968.

It is an arithmetic number, because the mean of its divisors is an integer number (37783771200).

Almost surely, 2^{1242006432615} is an apocalyptic number.

1242006432615 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1242006432615 is a deficient number, since it is larger than the sum of its proper divisors (1176154924185).

1242006432615 is a wasteful number, since it uses less digits than its factorization.

1242006432615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11994933 (or 11994927 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The spelling of 1242006432615 in words is "one trillion, two hundred forty-two billion, six million, four hundred thirty-two thousand, six hundred fifteen".