1561036602452 has 12 divisors (see below), whose sum is σ = 2732084307456. Its totient is φ = 780441086040.

The previous prime is 1561036602413. The next prime is 1561036602481. The reversal of 1561036602452 is 2542066301651.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19258298 + ... + 19339185.

It is an arithmetic number, because the mean of its divisors is an integer number (227673692288).

Almost surely, 2^{1561036602452} is an apocalyptic number.

It is an amenable number.

1561036602452 is a deficient number, since it is larger than the sum of its proper divisors (1171047705004).

1561036602452 is a wasteful number, since it uses less digits than its factorization.

1561036602452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38607598 (or 38607596 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 41.

The spelling of 1561036602452 in words is "one trillion, five hundred sixty-one billion, thirty-six million, six hundred two thousand, four hundred fifty-two".