10961577519 has 4 divisors (see below), whose sum is σ = 14615436696. Its totient is φ = 7307718344.

The previous prime is 10961577481. The next prime is 10961577541. The reversal of 10961577519 is 91577516901.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10961577519 - 2¹⁵ = 10961544751 is a prime.

It is a super-2 number, since 2×10961577519² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10961577559) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1826929584 + ... + 1826929589.

It is an arithmetic number, because the mean of its divisors is an integer number (3653859174).

Almost surely, 2^10961577519 is an apocalyptic number.

10961577519 is a deficient number, since it is larger than the sum of its proper divisors (3653859177).

10961577519 is an equidigital number, since it uses as much as digits as its factorization.

10961577519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3653859176.

The product of its (nonzero) digits is 595350, while the sum is 51.

The spelling of 10961577519 in words is "ten billion, nine hundred sixty-one million, five hundred seventy-seven thousand, five hundred nineteen".