10510515545 has 16 divisors (see below), whose sum is σ = 12790494480. Its totient is φ = 8289921024.

The previous prime is 10510515527. The next prime is 10510515553. The reversal of 10510515545 is 54551501501.

It can be written as a sum of positive squares in 8 ways, for example, as 556063561 + 9954451984 = 23581^2 + 99772^2 .

It is a cyclic number.

It is not a de Polignac number, because 10510515545 - 2¹⁴ = 10510499161 is a prime.

It is a super-2 number, since 2×10510515545² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

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, 1345511 + ... + 1353299.

It is an arithmetic number, because the mean of its divisors is an integer number (799405905).

Almost surely, 2^10510515545 is an apocalyptic number.

It is an amenable number.

10510515545 is a deficient number, since it is larger than the sum of its proper divisors (2279978935).

10510515545 is an equidigital number, since it uses as much as digits as its factorization.

10510515545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11564.

The product of its (nonzero) digits is 12500, while the sum is 32.

The spelling of 10510515545 in words is "ten billion, five hundred ten million, five hundred fifteen thousand, five hundred forty-five".