5151105561 has 32 divisors (see below), whose sum is σ = 8463974400. Its totient is φ = 2720545920.

The previous prime is 5151105539. The next prime is 5151105581. The reversal of 5151105561 is 1655011515.

It is not a de Polignac number, because 5151105561 - 2⁵ = 5151105529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5151105521) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 141081 + ... + 173798.

It is an arithmetic number, because the mean of its divisors is an integer number (264499200).

Almost surely, 2^5151105561 is an apocalyptic number.

It is an amenable number.

5151105561 is a deficient number, since it is larger than the sum of its proper divisors (3312868839).

5151105561 is a wasteful number, since it uses less digits than its factorization.

5151105561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314949.

The product of its (nonzero) digits is 3750, while the sum is 30.

The square root of 5151105561 is about 71771.2028671667. The cubic root of 5151105561 is about 1727.0310668116.

The spelling of 5151105561 in words is "five billion, one hundred fifty-one million, one hundred five thousand, five hundred sixty-one".