5651516511 has 12 divisors (see below), whose sum is σ = 8317326888. Its totient is φ = 3696589104.

The previous prime is 5651516449. The next prime is 5651516537. The reversal of 5651516511 is 1156151565.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-5651516511 is a prime.

It is a super-3 number, since 3×5651516511³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5651516561) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5923545 + ... + 5924498.

It is an arithmetic number, because the mean of its divisors is an integer number (693110574).

Almost surely, 2^5651516511 is an apocalyptic number.

5651516511 is a deficient number, since it is larger than the sum of its proper divisors (2665810377).

5651516511 is a wasteful number, since it uses less digits than its factorization.

5651516511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11848102 (or 11848099 counting only the distinct ones).

The product of its digits is 22500, while the sum is 36.

The square root of 5651516511 is about 75176.5688961660. The cubic root of 5651516511 is about 1781.2368324936.

The spelling of 5651516511 in words is "five billion, six hundred fifty-one million, five hundred sixteen thousand, five hundred eleven".