10661603025355 has 16 divisors (see below), whose sum is σ = 12850262889984. Its totient is φ = 8491805377120.

The previous prime is 10661603025343. The next prime is 10661603025389. The reversal of 10661603025355 is 55352030616601.

10661603025355 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10661603025355 - 2⁹ = 10661603024843 is a prime.

It is a super-2 number, since 2×10661603025355² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4119091 + ... + 6187900.

It is an arithmetic number, because the mean of its divisors is an integer number (803141430624).

Almost surely, 2^{10661603025355} is an apocalyptic number.

10661603025355 is a deficient number, since it is larger than the sum of its proper divisors (2188659864629).

10661603025355 is a wasteful number, since it uses less digits than its factorization.

10661603025355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10307906.

The product of its (nonzero) digits is 486000, while the sum is 43.

The spelling of 10661603025355 in words is "ten trillion, six hundred sixty-one billion, six hundred three million, twenty-five thousand, three hundred fifty-five".