6553520135651 has 8 divisors (see below), whose sum is σ = 6563336742144. Its totient is φ = 6543705734280.

The previous prime is 6553520135639. The next prime is 6553520135653. The reversal of 6553520135651 is 1565310253556.

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-6553520135651 is a prime.

It is a super-3 number, since 3×6553520135651³ (a number of 39 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6553520135596 and 6553520135605.

It is not an unprimeable number, because it can be changed into a prime (6553520135653) 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, 5445866 + ... + 6539456.

It is an arithmetic number, because the mean of its divisors is an integer number (820417092768).

Almost surely, 2^{6553520135651} is an apocalyptic number.

6553520135651 is a deficient number, since it is larger than the sum of its proper divisors (9816606493).

6553520135651 is a wasteful number, since it uses less digits than its factorization.

6553520135651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1102561.

The product of its (nonzero) digits is 2025000, while the sum is 47.

The spelling of 6553520135651 in words is "six trillion, five hundred fifty-three billion, five hundred twenty million, one hundred thirty-five thousand, six hundred fifty-one".