11198921548 has 24 divisors (see below), whose sum is σ = 20543014800. Its totient is φ = 5335841280.

The previous prime is 11198921533. The next prime is 11198921551. The reversal of 11198921548 is 84512989111.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 786973 + ... + 801076.

It is an arithmetic number, because the mean of its divisors is an integer number (855958950).

Almost surely, 2^11198921548 is an apocalyptic number.

It is an amenable number.

11198921548 is a deficient number, since it is larger than the sum of its proper divisors (9344093252).

11198921548 is a wasteful number, since it uses less digits than its factorization.

11198921548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1588137 (or 1588135 counting only the distinct ones).

The product of its digits is 207360, while the sum is 49.

The spelling of 11198921548 in words is "eleven billion, one hundred ninety-eight million, nine hundred twenty-one thousand, five hundred forty-eight".