1233611441280 has 160 divisors (see below), whose sum is σ = 4405449377340. Its totient is φ = 328963037184.

The previous prime is 1233611441203. The next prime is 1233611441281. The reversal of 1233611441280 is 821441163321.

1233611441280 is a `hidden beast` number, since 1 + 2 + 3 + 361 + 14 + 4 + 1 + 280 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1186862082624 + 46749358656 = 1089432^2 + 216216^2 .

It is a tau number, because it is divible by the number of its divisors (160).

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

It is not an unprimeable number, because it can be changed into a prime (1233611441281) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 11846419 + ... + 11950098.

Almost surely, 2^{1233611441280} is an apocalyptic number.

1233611441280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1233611441280 is an abundant number, since it is smaller than the sum of its proper divisors (3171837936060).

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

1233611441280 is an equidigital number, since it uses as much as digits as its factorization.

1233611441280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23796548 (or 23796527 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The spelling of 1233611441280 in words is "one trillion, two hundred thirty-three billion, six hundred eleven million, four hundred forty-one thousand, two hundred eighty".