1553224035140 has 12 divisors (see below), whose sum is σ = 3261770473836. Its totient is φ = 621289614048.

The previous prime is 1553224035119. The next prime is 1553224035157. The reversal of 1553224035140 is 415304223551.

It can be written as a sum of positive squares in 2 ways, for example, as 430094625856 + 1123129409284 = 655816^2 + 1059778^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1553224035140.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38830600859 + ... + 38830600898.

It is an arithmetic number, because the mean of its divisors is an integer number (271814206153).

Almost surely, 2^{1553224035140} is an apocalyptic number.

1553224035140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1553224035140 is an abundant number, since it is smaller than the sum of its proper divisors (1708546438696).

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

1553224035140 is a wasteful number, since it uses less digits than its factorization.

1553224035140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77661201766 (or 77661201764 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

Adding to 1553224035140 its reverse (415304223551), we get a palindrome (1968528258691).

The spelling of 1553224035140 in words is "one trillion, five hundred fifty-three billion, two hundred twenty-four million, thirty-five thousand, one hundred forty".