10045555561 has 8 divisors (see below), whose sum is σ = 10637373600. Its totient is φ = 9453837888.

The previous prime is 10045555547. The next prime is 10045555609. The reversal of 10045555561 is 16555554001.

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

It is a cyclic number.

It is not a de Polignac number, because 10045555561 - 2¹⁹ = 10045031273 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10045555561.

It is not an unprimeable number, because it can be changed into a prime (10045555511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 305650 + ... + 336916.

It is an arithmetic number, because the mean of its divisors is an integer number (1329671700).

Almost surely, 2^10045555561 is an apocalyptic number.

It is an amenable number.

10045555561 is a deficient number, since it is larger than the sum of its proper divisors (591818039).

10045555561 is a wasteful number, since it uses less digits than its factorization.

10045555561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50183.

The product of its (nonzero) digits is 75000, while the sum is 37.

The spelling of 10045555561 in words is "ten billion, forty-five million, five hundred fifty-five thousand, five hundred sixty-one".