10203606453655 has 4 divisors (see below), whose sum is σ = 12244327744392. Its totient is φ = 8162885162920.

The previous prime is 10203606453641. The next prime is 10203606453671. The reversal of 10203606453655 is 55635460630201.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-10203606453655 is a prime.

It is a super-2 number, since 2×10203606453655² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1020360645361 + ... + 1020360645370.

It is an arithmetic number, because the mean of its divisors is an integer number (3061081936098).

Almost surely, 2^{10203606453655} is an apocalyptic number.

10203606453655 is a deficient number, since it is larger than the sum of its proper divisors (2040721290737).

10203606453655 is an equidigital number, since it uses as much as digits as its factorization.

10203606453655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2040721290736.

The product of its (nonzero) digits is 1944000, while the sum is 46.

The spelling of 10203606453655 in words is "ten trillion, two hundred three billion, six hundred six million, four hundred fifty-three thousand, six hundred fifty-five".