1561122160353 has 48 divisors (see below), whose sum is σ = 2651712650496. Its totient is φ = 866572387200.

The previous prime is 1561122160349. The next prime is 1561122160393. The reversal of 1561122160353 is 3530612211651.

1561122160353 is a `hidden beast` number, since 1 + 5 + 611 + 2 + 2 + 1 + 6 + 0 + 35 + 3 = 666.

It is not a de Polignac number, because 1561122160353 - 2² = 1561122160349 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1561122160393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1977325 + ... + 2651802.

It is an arithmetic number, because the mean of its divisors is an integer number (55244013552).

Almost surely, 2^{1561122160353} is an apocalyptic number.

It is an amenable number.

1561122160353 is a deficient number, since it is larger than the sum of its proper divisors (1090590490143).

1561122160353 is a wasteful number, since it uses less digits than its factorization.

1561122160353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4629294 (or 4629291 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The spelling of 1561122160353 in words is "one trillion, five hundred sixty-one billion, one hundred twenty-two million, one hundred sixty thousand, three hundred fifty-three".