1011673730520 has 96 divisors (see below), whose sum is σ = 3293843220720. Its totient is φ = 269295264000.

The previous prime is 1011673730519. The next prime is 1011673730567. The reversal of 1011673730520 is 250373761101.

1011673730520 is a `hidden beast` number, since 1 + 0 + 1 + 1 + 67 + 3 + 73 + 0 + 520 = 666.

1011673730520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2322106 + ... + 2723145.

Almost surely, 2^{1011673730520} is an apocalyptic number.

1011673730520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1011673730520 is an abundant number, since it is smaller than the sum of its proper divisors (2282169490200).

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

1011673730520 is a wasteful number, since it uses less digits than its factorization.

1011673730520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5045825 (or 5045818 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 36.

The spelling of 1011673730520 in words is "one trillion, eleven billion, six hundred seventy-three million, seven hundred thirty thousand, five hundred twenty".