1025111522424 has 64 divisors (see below), whose sum is σ = 2796200346240. Its totient is φ = 310590783360.

The previous prime is 1025111522411. The next prime is 1025111522429. The reversal of 1025111522424 is 4242251115201.

It is a junction number, because it is equal to n+sod(n) for n = 1025111522391 and 1025111522400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025111522429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1385307 + ... + 1992309.

It is an arithmetic number, because the mean of its divisors is an integer number (43690630410).

Almost surely, 2^{1025111522424} is an apocalyptic number.

It is an amenable number.

1025111522424 is an abundant number, since it is smaller than the sum of its proper divisors (1771088823816).

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

1025111522424 is a wasteful number, since it uses less digits than its factorization.

1025111522424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613420 (or 613416 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 30.

Adding to 1025111522424 its reverse (4242251115201), we get a palindrome (5267362637625).

The spelling of 1025111522424 in words is "one trillion, twenty-five billion, one hundred eleven million, five hundred twenty-two thousand, four hundred twenty-four".