11958209404 has 48 divisors (see below), whose sum is σ = 22395320640. Its totient is φ = 5573173760.

The previous prime is 11958209401. The next prime is 11958209407. The reversal of 11958209404 is 40490285911.

It is an interprime number because it is at equal distance from previous prime (11958209401) and next prime (11958209407).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11958209401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5177802 + ... + 5180110.

It is an arithmetic number, because the mean of its divisors is an integer number (466569180).

Almost surely, 2^11958209404 is an apocalyptic number.

It is an amenable number.

11958209404 is a deficient number, since it is larger than the sum of its proper divisors (10437111236).

11958209404 is a wasteful number, since it uses less digits than its factorization.

11958209404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3750 (or 3748 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 43.

The spelling of 11958209404 in words is "eleven billion, nine hundred fifty-eight million, two hundred nine thousand, four hundred four".