1013545421420 has 48 divisors (see below), whose sum is σ = 2447074990080. Its totient is φ = 345420433344.

The previous prime is 1013545421347. The next prime is 1013545421429. The reversal of 1013545421420 is 241245453101.

It is not an unprimeable number, because it can be changed into a prime (1013545421429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21652100 + ... + 21698859.

It is an arithmetic number, because the mean of its divisors is an integer number (50980728960).

Almost surely, 2^{1013545421420} is an apocalyptic number.

1013545421420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1013545421420 is an abundant number, since it is smaller than the sum of its proper divisors (1433529568660).

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

1013545421420 is a wasteful number, since it uses less digits than its factorization.

1013545421420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43351142 (or 43351140 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

The spelling of 1013545421420 in words is "one trillion, thirteen billion, five hundred forty-five million, four hundred twenty-one thousand, four hundred twenty".