1011016043020 has 48 divisors (see below), whose sum is σ = 2125091195136. Its totient is φ = 404033760000.

The previous prime is 1011016042973. The next prime is 1011016043021. The reversal of 1011016043020 is 203406101101.

It is not an unprimeable number, because it can be changed into a prime (1011016043021) 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, 149092030 + ... + 149098810.

It is an arithmetic number, because the mean of its divisors is an integer number (44272733232).

Almost surely, 2^{1011016043020} is an apocalyptic number.

1011016043020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1011016043020 is an abundant number, since it is smaller than the sum of its proper divisors (1114075152116).

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

1011016043020 is a wasteful number, since it uses less digits than its factorization.

1011016043020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12562 (or 12560 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The spelling of 1011016043020 in words is "one trillion, eleven billion, sixteen million, forty-three thousand, twenty".