1141558472420 has 24 divisors (see below), whose sum is σ = 2397389366400. Its totient is φ = 456601184352.

The previous prime is 1141558472413. The next prime is 1141558472429. The reversal of 1141558472420 is 242748551411.

It is not an unprimeable number, because it can be changed into a prime (1141558472429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 963050 + ... + 1791809.

It is an arithmetic number, because the mean of its divisors is an integer number (99891223600).

Almost surely, 2^{1141558472420} is an apocalyptic number.

1141558472420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1141558472420 is an abundant number, since it is smaller than the sum of its proper divisors (1255830893980).

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

1141558472420 is a wasteful number, since it uses less digits than its factorization.

1141558472420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2775587 (or 2775585 counting only the distinct ones).

The product of its (nonzero) digits is 358400, while the sum is 44.

The spelling of 1141558472420 in words is "one trillion, one hundred forty-one billion, five hundred fifty-eight million, four hundred seventy-two thousand, four hundred twenty".