11961652683 has 4 divisors (see below), whose sum is σ = 15948870248. Its totient is φ = 7974435120.

The previous prime is 11961652663. The next prime is 11961652691. The reversal of 11961652683 is 38625616911.

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

It is not a de Polignac number, because 11961652683 - 2¹³ = 11961644491 is a prime.

It is a super-2 number, since 2×11961652683² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11961652613) 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, 1993608778 + ... + 1993608783.

It is an arithmetic number, because the mean of its divisors is an integer number (3987217562).

Almost surely, 2^11961652683 is an apocalyptic number.

11961652683 is a deficient number, since it is larger than the sum of its proper divisors (3987217565).

11961652683 is an equidigital number, since it uses as much as digits as its factorization.

11961652683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3987217564.

The product of its digits is 466560, while the sum is 48.

The spelling of 11961652683 in words is "eleven billion, nine hundred sixty-one million, six hundred fifty-two thousand, six hundred eighty-three".