5561051556051 has 24 divisors (see below), whose sum is σ = 8040511577696. Its totient is φ = 3703731816960.

The previous prime is 5561051556041. The next prime is 5561051556059. The reversal of 5561051556051 is 1506551501655.

It is not a de Polignac number, because 5561051556051 - 2⁶ = 5561051555987 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5561051555988 and 5561051556006.

It is not an unprimeable number, because it can be changed into a prime (5561051556059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39148611 + ... + 39290403.

Almost surely, 2^{5561051556051} is an apocalyptic number.

5561051556051 is a deficient number, since it is larger than the sum of its proper divisors (2479460021645).

5561051556051 is a wasteful number, since it uses less digits than its factorization.

5561051556051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146043 (or 146040 counting only the distinct ones).

The product of its (nonzero) digits is 562500, while the sum is 45.

The spelling of 5561051556051 in words is "five trillion, five hundred sixty-one billion, fifty-one million, five hundred fifty-six thousand, fifty-one".