25061400415 has 32 divisors (see below), whose sum is σ = 31953678336. Its totient is φ = 18829958400.

The previous prime is 25061400373. The next prime is 25061400431. The reversal of 25061400415 is 51400416052.

It is not a de Polignac number, because 25061400415 - 2⁹ = 25061399903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1899090 + ... + 1912240.

It is an arithmetic number, because the mean of its divisors is an integer number (998552448).

Almost surely, 2^25061400415 is an apocalyptic number.

25061400415 is a deficient number, since it is larger than the sum of its proper divisors (6892277921).

25061400415 is a wasteful number, since it uses less digits than its factorization.

25061400415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13479.

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 25061400415 its reverse (51400416052), we get a palindrome (76461816467).

The spelling of 25061400415 in words is "twenty-five billion, sixty-one million, four hundred thousand, four hundred fifteen".