11773507073 has 6 divisors (see below), whose sum is σ = 12425779314. Its totient is φ = 11153848464.

The previous prime is 11773507061. The next prime is 11773507103. The reversal of 11773507073 is 37070537711.

It can be written as a sum of positive squares in only one way, i.e., 9810308209 + 1963198864 = 99047^2 + 44308^2 .

It is not a de Polignac number, because 11773507073 - 2¹⁰ = 11773506049 is a prime.

It is a super-3 number, since 3×11773507073³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11773507073.

It is not an unprimeable number, because it can be changed into a prime (11773504073) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16306436 + ... + 16307157.

It is an arithmetic number, because the mean of its divisors is an integer number (2070963219).

Almost surely, 2^11773507073 is an apocalyptic number.

It is an amenable number.

11773507073 is a deficient number, since it is larger than the sum of its proper divisors (652272241).

11773507073 is an equidigital number, since it uses as much as digits as its factorization.

11773507073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32613631 (or 32613612 counting only the distinct ones).

The product of its (nonzero) digits is 108045, while the sum is 41.

The spelling of 11773507073 in words is "eleven billion, seven hundred seventy-three million, five hundred seven thousand, seventy-three".