11956202893 has 4 divisors (see below), whose sum is σ = 11962567840. Its totient is φ = 11949837948.

The previous prime is 11956202891. The next prime is 11956202899. The reversal of 11956202893 is 39820265911.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11956202893 - 2¹ = 11956202891 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11956202891) 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, 3179655 + ... + 3183412.

It is an arithmetic number, because the mean of its divisors is an integer number (2990641960).

Almost surely, 2^11956202893 is an apocalyptic number.

It is an amenable number.

11956202893 is a deficient number, since it is larger than the sum of its proper divisors (6364947).

11956202893 is an equidigital number, since it uses as much as digits as its factorization.

11956202893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6364946.

The product of its (nonzero) digits is 233280, while the sum is 46.

The spelling of 11956202893 in words is "eleven billion, nine hundred fifty-six million, two hundred two thousand, eight hundred ninety-three".