1025521505032 has 64 divisors (see below), whose sum is σ = 1988887011840. Its totient is φ = 495219648000.

The previous prime is 1025521504999. The next prime is 1025521505033. The reversal of 1025521505032 is 2305051255201.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a junction number, because it is equal to n+sod(n) for n = 1025521504985 and 1025521505003.

It is not an unprimeable number, because it can be changed into a prime (1025521505033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 446460108 + ... + 446462404.

It is an arithmetic number, because the mean of its divisors is an integer number (31076359560).

Almost surely, 2^{1025521505032} is an apocalyptic number.

It is an amenable number.

1025521505032 is a deficient number, since it is larger than the sum of its proper divisors (963365506808).

1025521505032 is a wasteful number, since it uses less digits than its factorization.

1025521505032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5182 (or 5178 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 31.

The spelling of 1025521505032 in words is "one trillion, twenty-five billion, five hundred twenty-one million, five hundred five thousand, thirty-two".