11958857902 has 8 divisors (see below), whose sum is σ = 17972718912. Its totient is φ = 5967951600.

The previous prime is 11958857899. The next prime is 11958857903. The reversal of 11958857902 is 20975885911.

11958857902 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11958857903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5737374 + ... + 5739457.

It is an arithmetic number, because the mean of its divisors is an integer number (2246589864).

Almost surely, 2^11958857902 is an apocalyptic number.

11958857902 is a deficient number, since it is larger than the sum of its proper divisors (6013861010).

11958857902 is a wasteful number, since it uses less digits than its factorization.

11958857902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11477354.

The product of its (nonzero) digits is 1814400, while the sum is 55.

The spelling of 11958857902 in words is "eleven billion, nine hundred fifty-eight million, eight hundred fifty-seven thousand, nine hundred two".