25140729005 has 8 divisors (see below), whose sum is σ = 34478714112. Its totient is φ = 17239357008.

The previous prime is 25140729001. The next prime is 25140729011. The reversal of 25140729005 is 50092704152.

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 25140729005 - 2² = 25140729001 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35), and also a Moran number because the ratio is a prime number: 718306543 = 25140729005 / (2 + 5 + 1 + 4 + 0 + 7 + 2 + 9 + 0 + 0 + 5).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25140729001) 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, 359153237 + ... + 359153306.

It is an arithmetic number, because the mean of its divisors is an integer number (4309839264).

Almost surely, 2^25140729005 is an apocalyptic number.

It is an amenable number.

25140729005 is a deficient number, since it is larger than the sum of its proper divisors (9337985107).

25140729005 is an equidigital number, since it uses as much as digits as its factorization.

25140729005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 718306555.

The product of its (nonzero) digits is 25200, while the sum is 35.

The spelling of 25140729005 in words is "twenty-five billion, one hundred forty million, seven hundred twenty-nine thousand, five".