25216122075 has 48 divisors (see below), whose sum is σ = 42149611776. Its totient is φ = 13300848000.

The previous prime is 25216122073. The next prime is 25216122089. The reversal of 25216122075 is 57022161252.

It is not a de Polignac number, because 25216122075 - 2¹ = 25216122073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25216122073) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13505292 + ... + 13507158.

It is an arithmetic number, because the mean of its divisors is an integer number (878116912).

Almost surely, 2^25216122075 is an apocalyptic number.

25216122075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

25216122075 is a deficient number, since it is larger than the sum of its proper divisors (16933489701).

25216122075 is a wasteful number, since it uses less digits than its factorization.

25216122075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3764 (or 3759 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 33.

The spelling of 25216122075 in words is "twenty-five billion, two hundred sixteen million, one hundred twenty-two thousand, seventy-five".