25112122601015 has 8 divisors (see below), whose sum is σ = 30134723478720. Its totient is φ = 20089580509152.

The previous prime is 25112122601011. The next prime is 25112122601063. The reversal of 25112122601015 is 51010622121152.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25112122601015 - 2² = 25112122601011 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25112122601011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13751135 + ... + 15469904.

It is an arithmetic number, because the mean of its divisors is an integer number (3766840434840).

Almost surely, 2^{25112122601015} is an apocalyptic number.

25112122601015 is a deficient number, since it is larger than the sum of its proper divisors (5022600877705).

25112122601015 is a wasteful number, since it uses less digits than its factorization.

25112122601015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29392921.

The product of its (nonzero) digits is 2400, while the sum is 29.

Adding to 25112122601015 its reverse (51010622121152), we get a palindrome (76122744722167).

The spelling of 25112122601015 in words is "twenty-five trillion, one hundred twelve billion, one hundred twenty-two million, six hundred one thousand, fifteen".