11445570998 has 12 divisors (see below), whose sum is σ = 17780785620. Its totient is φ = 5525447256.

The previous prime is 11445570827. The next prime is 11445571057. The reversal of 11445570998 is 89907554411.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3400688 + ... + 3404051.

It is an arithmetic number, because the mean of its divisors is an integer number (1481732135).

Almost surely, 2^11445570998 is an apocalyptic number.

11445570998 is a deficient number, since it is larger than the sum of its proper divisors (6335214622).

11445570998 is an equidigital number, since it uses as much as digits as its factorization.

11445570998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6804799 (or 6804770 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 53.

The spelling of 11445570998 in words is "eleven billion, four hundred forty-five million, five hundred seventy thousand, nine hundred ninety-eight".