10917569961 has 16 divisors (see below), whose sum is σ = 16401985920. Its totient is φ = 7175866320.

The previous prime is 10917569959. The next prime is 10917569963. The reversal of 10917569961 is 16996571901.

It is a happy number.

10917569961 is a `hidden beast` number, since 1 + 0 + 9 + 17 + 569 + 9 + 61 = 666.

It is an interprime number because it is at equal distance from previous prime (10917569959) and next prime (10917569963).

It is not a de Polignac number, because 10917569961 - 2¹ = 10917569959 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10917569898 and 10917569907.

It is not an unprimeable number, because it can be changed into a prime (10917569963) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2845650 + ... + 2849483.

It is an arithmetic number, because the mean of its divisors is an integer number (1025124120).

Almost surely, 2^10917569961 is an apocalyptic number.

It is an amenable number.

10917569961 is a deficient number, since it is larger than the sum of its proper divisors (5484415959).

10917569961 is an equidigital number, since it uses as much as digits as its factorization.

10917569961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5695213 (or 5695207 counting only the distinct ones).

The product of its (nonzero) digits is 918540, while the sum is 54.

The spelling of 10917569961 in words is "ten billion, nine hundred seventeen million, five hundred sixty-nine thousand, nine hundred sixty-one".