10961572318 has 4 divisors (see below), whose sum is σ = 16442358480. Its totient is φ = 5480786158.

The previous prime is 10961572301. The next prime is 10961572331. The reversal of 10961572318 is 81327516901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 81327516901 = 53089 ⋅1531909.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2740393078 + ... + 2740393081.

It is an arithmetic number, because the mean of its divisors is an integer number (4110589620).

Almost surely, 2^10961572318 is an apocalyptic number.

10961572318 is a deficient number, since it is larger than the sum of its proper divisors (5480786162).

10961572318 is an equidigital number, since it uses as much as digits as its factorization.

10961572318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5480786161.

The product of its (nonzero) digits is 90720, while the sum is 43.

The spelling of 10961572318 in words is "ten billion, nine hundred sixty-one million, five hundred seventy-two thousand, three hundred eighteen".