25158212351 has 4 divisors (see below), whose sum is σ = 25163250000. Its totient is φ = 25153174704.

The previous prime is 25158212329. The next prime is 25158212353. The reversal of 25158212351 is 15321285152.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25158212351 - 2¹⁰ = 25158211327 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 (25158212353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2511326 + ... + 2521323.

It is an arithmetic number, because the mean of its divisors is an integer number (6290812500).

Almost surely, 2^25158212351 is an apocalyptic number.

25158212351 is a deficient number, since it is larger than the sum of its proper divisors (5037649).

25158212351 is an equidigital number, since it uses as much as digits as its factorization.

25158212351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5037648.

The product of its digits is 24000, while the sum is 35.

The spelling of 25158212351 in words is "twenty-five billion, one hundred fifty-eight million, two hundred twelve thousand, three hundred fifty-one".