1002152403025 has 24 divisors (see below), whose sum is σ = 1254659141120. Its totient is φ = 794019620160.

The previous prime is 1002152403019. The next prime is 1002152403041. The reversal of 1002152403025 is 5203042512001.

It is not a de Polignac number, because 1002152403025 - 2¹³ = 1002152394833 is a prime.

It is a super-3 number, since 3×1002152403025³ (a number of 37 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

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, 789136 + ... + 1620814.

Almost surely, 2^{1002152403025} is an apocalyptic number.

It is an amenable number.

1002152403025 is a deficient number, since it is larger than the sum of its proper divisors (252506738095).

1002152403025 is a wasteful number, since it uses less digits than its factorization.

1002152403025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 832153 (or 832148 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 1002152403025 its reverse (5203042512001), we get a palindrome (6205194915026).

The spelling of 1002152403025 in words is "one trillion, two billion, one hundred fifty-two million, four hundred three thousand, twenty-five".