25012134441 has 24 divisors (see below), whose sum is σ = 41294233344. Its totient is φ = 14291138880.

The previous prime is 25012134439. The next prime is 25012134449. The reversal of 25012134441 is 14443121052.

25012134441 is a `hidden beast` number, since 2 + 5 + 0 + 1 + 213 + 4 + 441 = 666.

It is not a de Polignac number, because 25012134441 - 2¹ = 25012134439 is a prime.

It is a super-3 number, since 3×25012134441³ (a number of 32 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (25012134449) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 896421 + ... + 923901.

It is an arithmetic number, because the mean of its divisors is an integer number (1720593056).

Almost surely, 2^25012134441 is an apocalyptic number.

25012134441 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

25012134441 is a deficient number, since it is larger than the sum of its proper divisors (16282098903).

25012134441 is a wasteful number, since it uses less digits than its factorization.

25012134441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41941 (or 41938 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 25012134441 its reverse (14443121052), we get a palindrome (39455255493).

The spelling of 25012134441 in words is "twenty-five billion, twelve million, one hundred thirty-four thousand, four hundred forty-one".