10551556516516 has 12 divisors (see below), whose sum is σ = 18465356585088. Its totient is φ = 5275740349352.

The previous prime is 10551556516451. The next prime is 10551556516537. The reversal of 10551556516516 is 61561565515501.

It is a happy number.

It is a super-2 number, since 2×10551556516516² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8846296 + ... + 9967951.

It is an arithmetic number, because the mean of its divisors is an integer number (1538779715424).

Almost surely, 2^{10551556516516} is an apocalyptic number.

It is an amenable number.

10551556516516 is a deficient number, since it is larger than the sum of its proper divisors (7913800068572).

10551556516516 is a wasteful number, since it uses less digits than its factorization.

10551556516516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18954458 (or 18954456 counting only the distinct ones).

The product of its (nonzero) digits is 3375000, while the sum is 52.

The spelling of 10551556516516 in words is "ten trillion, five hundred fifty-one billion, five hundred fifty-six million, five hundred sixteen thousand, five hundred sixteen".