25113021030 has 32 divisors (see below), whose sum is σ = 66968056800. Its totient is φ = 6696805536.

The previous prime is 25113021019. The next prime is 25113021041. The reversal of 25113021030 is 3012031152.

It is an interprime number because it is at equal distance from previous prime (25113021019) and next prime (25113021041).

It is a super-3 number, since 3×25113021030³ (a number of 32 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 25113020994 and 25113021012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46505325 + ... + 46505864.

It is an arithmetic number, because the mean of its divisors is an integer number (2092751775).

Almost surely, 2^25113021030 is an apocalyptic number.

25113021030 is an abundant number, since it is smaller than the sum of its proper divisors (41855035770).

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

25113021030 is a wasteful number, since it uses less digits than its factorization.

25113021030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93011205 (or 93011199 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

Adding to 25113021030 its reverse (3012031152), we get a palindrome (28125052182).

The spelling of 25113021030 in words is "twenty-five billion, one hundred thirteen million, twenty-one thousand, thirty".