5515157766 has 64 divisors (see below), whose sum is σ = 11805292800. Its totient is φ = 1714317696.

The previous prime is 5515157761. The next prime is 5515157773. The reversal of 5515157766 is 6677515155.

It is a super-2 number, since 2×5515157766² = 60833930367740221512, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5515157761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 891801 + ... + 897963.

It is an arithmetic number, because the mean of its divisors is an integer number (184457700).

Almost surely, 2^5515157766 is an apocalyptic number.

5515157766 is an abundant number, since it is smaller than the sum of its proper divisors (6290135034).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5515157766 is a wasteful number, since it uses less digits than its factorization.

5515157766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6373.

The product of its digits is 1102500, while the sum is 48.

The square root of 5515157766 is about 74264.1081950090. The cubic root of 5515157766 is about 1766.7942619050.

The spelling of 5515157766 in words is "five billion, five hundred fifteen million, one hundred fifty-seven thousand, seven hundred sixty-six".