25234051515 has 8 divisors (see below), whose sum is σ = 40374482448. Its totient is φ = 13458160800.

The previous prime is 25234051463. The next prime is 25234051519. The reversal of 25234051515 is 51515043252.

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

It is not a de Polignac number, because 25234051515 - 2¹⁴ = 25234035131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25234051519) 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, 841135036 + ... + 841135065.

It is an arithmetic number, because the mean of its divisors is an integer number (5046810306).

Almost surely, 2^25234051515 is an apocalyptic number.

25234051515 is a deficient number, since it is larger than the sum of its proper divisors (15140430933).

25234051515 is a wasteful number, since it uses less digits than its factorization.

25234051515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1682270109.

The product of its (nonzero) digits is 30000, while the sum is 33.

Adding to 25234051515 its reverse (51515043252), we get a palindrome (76749094767).

The spelling of 25234051515 in words is "twenty-five billion, two hundred thirty-four million, fifty-one thousand, five hundred fifteen".