1025533113444 has 72 divisors (see below), whose sum is σ = 2964075033920. Its totient is φ = 292868644032.

The previous prime is 1025533113439. The next prime is 1025533113463. The reversal of 1025533113444 is 4443113355201.

1025533113444 is a `hidden beast` number, since 1 + 0 + 2 + 5 + 533 + 113 + 4 + 4 + 4 = 666.

1025533113444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-4 number, since 4×1025533113444⁴ (a number of 49 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

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

It is a junction number, because it is equal to n+sod(n) for n = 1025533113399 and 1025533113408.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 451939 + ... + 1501770.

Almost surely, 2^{1025533113444} is an apocalyptic number.

1025533113444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1025533113444 is an abundant number, since it is smaller than the sum of its proper divisors (1938541920476).

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

1025533113444 is a wasteful number, since it uses less digits than its factorization.

1025533113444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1955809 (or 1955804 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

Adding to 1025533113444 its reverse (4443113355201), we get a palindrome (5468646468645).

The spelling of 1025533113444 in words is "one trillion, twenty-five billion, five hundred thirty-three million, one hundred thirteen thousand, four hundred forty-four".