1111252520430 has 96 divisors (see below), whose sum is σ = 3111843964320. Its totient is φ = 273509464320.

The previous prime is 1111252520401. The next prime is 1111252520431. The reversal of 1111252520430 is 340252521111.

It is a happy number.

1111252520430 is a `hidden beast` number, since 1 + 1 + 112 + 525 + 20 + 4 + 3 + 0 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1111252520394 and 1111252520403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111252520431) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11956740 + ... + 12049320.

It is an arithmetic number, because the mean of its divisors is an integer number (32415041295).

Almost surely, 2^{1111252520430} is an apocalyptic number.

1111252520430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1111252520430 is an abundant number, since it is smaller than the sum of its proper divisors (2000591443890).

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

1111252520430 is a wasteful number, since it uses less digits than its factorization.

1111252520430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102866 (or 102863 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The spelling of 1111252520430 in words is "one trillion, one hundred eleven billion, two hundred fifty-two million, five hundred twenty thousand, four hundred thirty".