10105617530 has 32 divisors (see below), whose sum is σ = 19924269840. Its totient is φ = 3673277440.

The previous prime is 10105617497. The next prime is 10105617601. The reversal of 10105617530 is 3571650101.

It can be written as a sum of positive squares in 8 ways, for example, as 5070721681 + 5034895849 = 71209^2 + 70957^2 .

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10105617493 and 10105617502.

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, 1019981 + ... + 1029840.

Almost surely, 2^10105617530 is an apocalyptic number.

10105617530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10105617530 is a deficient number, since it is larger than the sum of its proper divisors (9818652310).

10105617530 is a wasteful number, since it uses less digits than its factorization.

10105617530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2049874.

The product of its (nonzero) digits is 3150, while the sum is 29.

The spelling of 10105617530 in words is "ten billion, one hundred five million, six hundred seventeen thousand, five hundred thirty".