25143350150513 has 32 divisors (see below), whose sum is σ = 30643157599488. Its totient is φ = 20139160320000.

The previous prime is 25143350150497. The next prime is 25143350150533. The reversal of 25143350150513 is 31505105334152.

It is a cyclic number.

It is not a de Polignac number, because 25143350150513 - 2⁴ = 25143350150497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25143350150533) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8140733 + ... + 10796213.

It is an arithmetic number, because the mean of its divisors is an integer number (957598674984).

Almost surely, 2^{25143350150513} is an apocalyptic number.

It is an amenable number.

25143350150513 is a deficient number, since it is larger than the sum of its proper divisors (5499807448975).

25143350150513 is a wasteful number, since it uses less digits than its factorization.

25143350150513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2656073.

The product of its (nonzero) digits is 135000, while the sum is 38.

Adding to 25143350150513 its reverse (31505105334152), we get a palindrome (56648455484665).

The spelling of 25143350150513 in words is "twenty-five trillion, one hundred forty-three billion, three hundred fifty million, one hundred fifty thousand, five hundred thirteen".