10511500730 has 8 divisors (see below), whose sum is σ = 18920701332. Its totient is φ = 4204600288.

The previous prime is 10511500723. The next prime is 10511500787. The reversal of 10511500730 is 3700511501.

It can be written as a sum of positive squares in 2 ways, for example, as 10248120289 + 263380441 = 101233^2 + 16229^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×10511500730² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10511500696 and 10511500705.

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, 525575027 + ... + 525575046.

Almost surely, 2^10511500730 is an apocalyptic number.

10511500730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10511500730 is a deficient number, since it is larger than the sum of its proper divisors (8409200602).

10511500730 is a wasteful number, since it uses less digits than its factorization.

10511500730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1051150080.

The product of its (nonzero) digits is 525, while the sum is 23.

The spelling of 10511500730 in words is "ten billion, five hundred eleven million, five hundred thousand, seven hundred thirty".