1331110155232 has 48 divisors (see below), whose sum is σ = 3078774023472. Its totient is φ = 558507755520.

The previous prime is 1331110155229. The next prime is 1331110155233. The reversal of 1331110155232 is 2325510111331.

It is a self number, because there is not a number n which added to its sum of digits gives 1331110155232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331110155233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145440153 + ... + 145449304.

It is an arithmetic number, because the mean of its divisors is an integer number (64141125489).

Almost surely, 2^{1331110155232} is an apocalyptic number.

It is an amenable number.

1331110155232 is an abundant number, since it is smaller than the sum of its proper divisors (1747663868240).

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

1331110155232 is a wasteful number, since it uses less digits than its factorization.

1331110155232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290889491 (or 290889483 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 28.

Adding to 1331110155232 its reverse (2325510111331), we get a palindrome (3656620266563).

The spelling of 1331110155232 in words is "one trillion, three hundred thirty-one billion, one hundred ten million, one hundred fifty-five thousand, two hundred thirty-two".