25145251551101 has 8 divisors (see below), whose sum is σ = 28172566848864. Its totient is φ = 22241500143120.

The previous prime is 25145251551053. The next prime is 25145251551103. The reversal of 25145251551101 is 10115515254152.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25145251551101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25145251551103) 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, 30890972015 + ... + 30890972828.

It is an arithmetic number, because the mean of its divisors is an integer number (3521570856108).

Almost surely, 2^{25145251551101} is an apocalyptic number.

It is an amenable number.

25145251551101 is a deficient number, since it is larger than the sum of its proper divisors (3027315297763).

25145251551101 is a wasteful number, since it uses less digits than its factorization.

25145251551101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61781944891.

The product of its (nonzero) digits is 50000, while the sum is 38.

The spelling of 25145251551101 in words is "twenty-five trillion, one hundred forty-five billion, two hundred fifty-one million, five hundred fifty-one thousand, one hundred one".