10145204655550 has 12 divisors (see below), whose sum is σ = 18870080659416. Its totient is φ = 4058081862200.

The previous prime is 10145204655533. The next prime is 10145204655569. The reversal of 10145204655550 is 5555640254101.

It is a junction number, because it is equal to n+sod(n) for n = 10145204655497 and 10145204655506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 101452046506 + ... + 101452046605.

It is an arithmetic number, because the mean of its divisors is an integer number (1572506721618).

Almost surely, 2^{10145204655550} is an apocalyptic number.

10145204655550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10145204655550 is a deficient number, since it is larger than the sum of its proper divisors (8724876003866).

10145204655550 is a wasteful number, since it uses less digits than its factorization.

10145204655550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202904093123 (or 202904093118 counting only the distinct ones).

The product of its (nonzero) digits is 600000, while the sum is 43.

The spelling of 10145204655550 in words is "ten trillion, one hundred forty-five billion, two hundred four million, six hundred fifty-five thousand, five hundred fifty".