25142461311215 has 16 divisors (see below), whose sum is σ = 30813727795200. Its totient is φ = 19685476208160.

The previous prime is 25142461311179. The next prime is 25142461311257. The reversal of 25142461311215 is 51211316424152.

It is not a de Polignac number, because 25142461311215 - 2¹⁰ = 25142461310191 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7303700 + ... + 10179830.

It is an arithmetic number, because the mean of its divisors is an integer number (1925857987200).

Almost surely, 2^{25142461311215} is an apocalyptic number.

25142461311215 is a deficient number, since it is larger than the sum of its proper divisors (5671266483985).

25142461311215 is a wasteful number, since it uses less digits than its factorization.

25142461311215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2913382.

The product of its digits is 57600, while the sum is 38.

Adding to 25142461311215 its reverse (51211316424152), we get a palindrome (76353777735367).

The spelling of 25142461311215 in words is "twenty-five trillion, one hundred forty-two billion, four hundred sixty-one million, three hundred eleven thousand, two hundred fifteen".