11497179443820 has 144 divisors (see below), whose sum is σ = 38739265014240. Its totient is φ = 2537308548096.

The previous prime is 11497179443819. The next prime is 11497179443899. The reversal of 11497179443820 is 2834497179411.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 67338969 + ... + 67509488.

It is an arithmetic number, because the mean of its divisors is an integer number (269022673710).

Almost surely, 2^{11497179443820} is an apocalyptic number.

11497179443820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11497179443820 is an abundant number, since it is smaller than the sum of its proper divisors (27242085570420).

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

11497179443820 is a wasteful number, since it uses less digits than its factorization.

11497179443820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134848512 (or 134848503 counting only the distinct ones).

The product of its (nonzero) digits is 12192768, while the sum is 60.

The spelling of 11497179443820 in words is "eleven trillion, four hundred ninety-seven billion, one hundred seventy-nine million, four hundred forty-three thousand, eight hundred twenty".