11197432940 has 24 divisors (see below), whose sum is σ = 23516671920. Its totient is φ = 4478580288.

The previous prime is 11197432937. The next prime is 11197432943. The reversal of 11197432940 is 4923479111.

11197432940 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11197432937) and next prime (11197432943).

It is not an unprimeable number, because it can be changed into a prime (11197432943) 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 7 ways as a sum of consecutive naturals, for example, 344219 + ... + 375341.

It is an arithmetic number, because the mean of its divisors is an integer number (979861330).

Almost surely, 2^11197432940 is an apocalyptic number.

11197432940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11197432940 is an abundant number, since it is smaller than the sum of its proper divisors (12319238980).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11197432940 is a wasteful number, since it uses less digits than its factorization.

11197432940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49121 (or 49119 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 41.

The spelling of 11197432940 in words is "eleven billion, one hundred ninety-seven million, four hundred thirty-two thousand, nine hundred forty".