25147106122 has 8 divisors (see below), whose sum is σ = 37736006400. Its totient is φ = 12568437324.

The previous prime is 25147106111. The next prime is 25147106137. The reversal of 25147106122 is 22160174152.

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

It is a super-2 number, since 2×25147106122² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2551722 + ... + 2561557.

It is an arithmetic number, because the mean of its divisors is an integer number (4717000800).

Almost surely, 2^25147106122 is an apocalyptic number.

25147106122 is a deficient number, since it is larger than the sum of its proper divisors (12588900278).

25147106122 is a wasteful number, since it uses less digits than its factorization.

25147106122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5115740.

The product of its (nonzero) digits is 6720, while the sum is 31.

The spelling of 25147106122 in words is "twenty-five billion, one hundred forty-seven million, one hundred six thousand, one hundred twenty-two".