6531551051 has 8 divisors (see below), whose sum is σ = 6605224704. Its totient is φ = 6458074920.

The previous prime is 6531551003. The next prime is 6531551069. The reversal of 6531551051 is 1501551356.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6531551051 is a prime.

It is a super-2 number, since 2×6531551051² = 85322318263638409202, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6531550999 and 6531551017.

It is not an unprimeable number, because it can be changed into a prime (6531551251) 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, 17636 + ... + 115646.

It is an arithmetic number, because the mean of its divisors is an integer number (825653088).

Almost surely, 2^6531551051 is an apocalyptic number.

6531551051 is a deficient number, since it is larger than the sum of its proper divisors (73673653).

6531551051 is a wasteful number, since it uses less digits than its factorization.

6531551051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98761.

The product of its (nonzero) digits is 11250, while the sum is 32.

The square root of 6531551051 is about 80818.0119218482. The cubic root of 6531551051 is about 1869.2703122171.

The spelling of 6531551051 in words is "six billion, five hundred thirty-one million, five hundred fifty-one thousand, fifty-one".