10661061061156 has 24 divisors (see below), whose sum is σ = 20399939257824. Its totient is φ = 4834745297280.

The previous prime is 10661061061153. The next prime is 10661061061159. The reversal of 10661061061156 is 65116016016601.

It is an interprime number because it is at equal distance from previous prime (10661061061153) and next prime (10661061061159).

It is a super-2 number, since 2×10661061061156² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10661061061153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 279769450 + ... + 279807553.

It is an arithmetic number, because the mean of its divisors is an integer number (849997469076).

Almost surely, 2^{10661061061156} is an apocalyptic number.

It is an amenable number.

10661061061156 is a deficient number, since it is larger than the sum of its proper divisors (9738878196668).

10661061061156 is a wasteful number, since it uses less digits than its factorization.

10661061061156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 559577451 (or 559577449 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 40.

Adding to 10661061061156 its reverse (65116016016601), we get a palindrome (75777077077757).

The spelling of 10661061061156 in words is "ten trillion, six hundred sixty-one billion, sixty-one million, sixty-one thousand, one hundred fifty-six".