10605505109950 has 24 divisors (see below), whose sum is σ = 19737570074040. Its totient is φ = 4239765362400.

The previous prime is 10605505109939. The next prime is 10605505109951. The reversal of 10605505109950 is 5990150550601.

It is a super-2 number, since 2×10605505109950² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10605505109950.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10605505109951) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60829120 + ... + 61003219.

It is an arithmetic number, because the mean of its divisors is an integer number (822398753085).

Almost surely, 2^{10605505109950} is an apocalyptic number.

10605505109950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10605505109950 is a deficient number, since it is larger than the sum of its proper divisors (9132064964090).

10605505109950 is a wasteful number, since it uses less digits than its factorization.

10605505109950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121834092 (or 121834087 counting only the distinct ones).

The product of its (nonzero) digits is 303750, while the sum is 46.

The spelling of 10605505109950 in words is "ten trillion, six hundred five billion, five hundred five million, one hundred nine thousand, nine hundred fifty".