11432547980 has 24 divisors (see below), whose sum is σ = 27438115488. Its totient is φ = 3919730688.

The previous prime is 11432547967. The next prime is 11432548003. The reversal of 11432547980 is 8974523411.

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, 40830389 + ... + 40830668.

It is an arithmetic number, because the mean of its divisors is an integer number (1143254812).

Almost surely, 2^11432547980 is an apocalyptic number.

11432547980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11432547980 is an abundant number, since it is smaller than the sum of its proper divisors (16005567508).

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

11432547980 is a wasteful number, since it uses less digits than its factorization.

11432547980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81661073 (or 81661071 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 44.

The spelling of 11432547980 in words is "eleven billion, four hundred thirty-two million, five hundred forty-seven thousand, nine hundred eighty".