5111555061 has 8 divisors (see below), whose sum is σ = 6816116160. Its totient is φ = 3407348672.

The previous prime is 5111555027. The next prime is 5111555153. The reversal of 5111555061 is 1605551115.

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 5111555061 - 2⁶ = 5111554997 is a prime.

It is a super-2 number, since 2×5111555061² = 52255990283269427442, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5111555021) 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, 53001 + ... + 114158.

It is an arithmetic number, because the mean of its divisors is an integer number (852014520).

Almost surely, 2^5111555061 is an apocalyptic number.

It is an amenable number.

5111555061 is a deficient number, since it is larger than the sum of its proper divisors (1704561099).

5111555061 is a wasteful number, since it uses less digits than its factorization.

5111555061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177355.

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

The square root of 5111555061 is about 71495.1401215495. The cubic root of 5111555061 is about 1722.5996227638.

The spelling of 5111555061 in words is "five billion, one hundred eleven million, five hundred fifty-five thousand, sixty-one".