10643115534651 has 12 divisors (see below), whose sum is σ = 15378179857560. Its totient is φ = 7093199240160.

The previous prime is 10643115534559. The next prime is 10643115534677. The reversal of 10643115534651 is 15643551134601.

10643115534651 is a `hidden beast` number, since 1 + 0 + 6 + 4 + 3 + 1 + 1 + 553 + 46 + 51 = 666.

It is not a de Polignac number, because 10643115534651 - 2⁷ = 10643115534523 is a prime.

It is a super-2 number, since 2×10643115534651² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10643115534597 and 10643115534606.

It is not an unprimeable number, because it can be changed into a prime (10643115534451) 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, 184229205 + ... + 184286966.

It is an arithmetic number, because the mean of its divisors is an integer number (1281514988130).

Almost surely, 2^{10643115534651} is an apocalyptic number.

10643115534651 is a deficient number, since it is larger than the sum of its proper divisors (4735064322909).

10643115534651 is a wasteful number, since it uses less digits than its factorization.

10643115534651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368519386 (or 368519383 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 45.

The spelling of 10643115534651 in words is "ten trillion, six hundred forty-three billion, one hundred fifteen million, five hundred thirty-four thousand, six hundred fifty-one".