1011351224320 has 136 divisors (see below), whose sum is σ = 2439701068464. Its totient is φ = 402461294592.

The previous prime is 1011351224297. The next prime is 1011351224341. The reversal of 1011351224320 is 234221531101.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64545127 + ... + 64560793.

Almost surely, 2^{1011351224320} is an apocalyptic number.

1011351224320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1011351224320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1219850534232).

1011351224320 is an abundant number, since it is smaller than the sum of its proper divisors (1428349844144).

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

1011351224320 is an frugal number, since it uses more digits than its factorization.

1011351224320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15901 (or 15871 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 1011351224320 its reverse (234221531101), we get a palindrome (1245572755421).

The spelling of 1011351224320 in words is "one trillion, eleven billion, three hundred fifty-one million, two hundred twenty-four thousand, three hundred twenty".