25530111414 has 32 divisors (see below), whose sum is σ = 57532654080. Its totient is φ = 8390176200.

The previous prime is 25530111391. The next prime is 25530111419. The reversal of 25530111414 is 41411103552.

25530111414 is a `hidden beast` number, since 2 + 5 + 530 + 1 + 114 + 14 = 666.

It is a super-2 number, since 2×25530111414² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25530111419) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3325602 + ... + 3333269.

It is an arithmetic number, because the mean of its divisors is an integer number (1797895440).

Almost surely, 2^25530111414 is an apocalyptic number.

25530111414 is an abundant number, since it is smaller than the sum of its proper divisors (32002542666).

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

25530111414 is a wasteful number, since it uses less digits than its factorization.

25530111414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6658953 (or 6658947 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

Adding to 25530111414 its reverse (41411103552), we get a palindrome (66941214966).

The spelling of 25530111414 in words is "twenty-five billion, five hundred thirty million, one hundred eleven thousand, four hundred fourteen".