10545261515 has 8 divisors (see below), whose sum is σ = 12655841328. Its totient is φ = 8435190880.

The previous prime is 10545261499. The next prime is 10545261523. The reversal of 10545261515 is 51516254501.

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

It is not a de Polignac number, because 10545261515 - 2⁴ = 10545261499 is a prime.

It is a super-2 number, since 2×10545261515² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80141 + ... + 165870.

It is an arithmetic number, because the mean of its divisors is an integer number (1581980166).

Almost surely, 2^10545261515 is an apocalyptic number.

10545261515 is a deficient number, since it is larger than the sum of its proper divisors (2110579813).

10545261515 is an equidigital number, since it uses as much as digits as its factorization.

10545261515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254589.

The product of its (nonzero) digits is 30000, while the sum is 35.

The spelling of 10545261515 in words is "ten billion, five hundred forty-five million, two hundred sixty-one thousand, five hundred fifteen".