33504425561 has 8 divisors (see below), whose sum is σ = 35275514880. Its totient is φ = 31734106128.

The previous prime is 33504425527. The next prime is 33504425567. The reversal of 33504425561 is 16552440533.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 33504425561 - 2¹⁸ = 33504163417 is a prime.

It is a super-2 number, since 2×33504425561² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33504425567) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 102041 + ... + 278246.

It is an arithmetic number, because the mean of its divisors is an integer number (4409439360).

Almost surely, 2^33504425561 is an apocalyptic number.

It is an amenable number.

33504425561 is a deficient number, since it is larger than the sum of its proper divisors (1771089319).

33504425561 is a wasteful number, since it uses less digits than its factorization.

33504425561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384943.

The product of its (nonzero) digits is 216000, while the sum is 38.

The spelling of 33504425561 in words is "thirty-three billion, five hundred four million, four hundred twenty-five thousand, five hundred sixty-one".