10055515651561 has 8 divisors (see below), whose sum is σ = 10380195584000. Its totient is φ = 9730854997920.

The previous prime is 10055515651553. The next prime is 10055515651567. The reversal of 10055515651561 is 16515651555001.

It is a happy number.

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

It is not a de Polignac number, because 10055515651561 - 2³ = 10055515651553 is a prime.

It is a super-2 number, since 2×10055515651561² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10055515651567) 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 7 ways as a sum of consecutive naturals, for example, 3755961 + ... + 5849638.

It is an arithmetic number, because the mean of its divisors is an integer number (1297524448000).

Almost surely, 2^{10055515651561} is an apocalyptic number.

It is an amenable number.

10055515651561 is a deficient number, since it is larger than the sum of its proper divisors (324679932439).

10055515651561 is an equidigital number, since it uses as much as digits as its factorization.

10055515651561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9639399.

The product of its (nonzero) digits is 562500, while the sum is 46.

The spelling of 10055515651561 in words is "ten trillion, fifty-five billion, five hundred fifteen million, six hundred fifty-one thousand, five hundred sixty-one".