11898897950 has 24 divisors (see below), whose sum is σ = 22155557400. Its totient is φ = 4754482400.

The previous prime is 11898897949. The next prime is 11898898003. The reversal of 11898897950 is 5979889811.

11898897950 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 79400 + ... + 173499.

It is an arithmetic number, because the mean of its divisors is an integer number (923148225).

Almost surely, 2^11898897950 is an apocalyptic number.

11898897950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11898897950 is a deficient number, since it is larger than the sum of its proper divisors (10256659450).

11898897950 is a wasteful number, since it uses less digits than its factorization.

11898897950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253852 (or 253847 counting only the distinct ones).

The product of its (nonzero) digits is 13063680, while the sum is 65.

The spelling of 11898897950 in words is "eleven billion, eight hundred ninety-eight million, eight hundred ninety-seven thousand, nine hundred fifty".