25144001153 has 4 divisors (see below), whose sum is σ = 25144436820. Its totient is φ = 25143565488.

The previous prime is 25144001119. The next prime is 25144001191. The reversal of 25144001153 is 35110044152.

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

It can be written as a sum of positive squares in 2 ways, for example, as 18263630449 + 6880370704 = 135143^2 + 82948^2 .

It is a cyclic number.

It is not a de Polignac number, because 25144001153 - 2¹² = 25143997057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25144000153) 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, 115118 + ... + 252071.

It is an arithmetic number, because the mean of its divisors is an integer number (6286109205).

Almost surely, 2^25144001153 is an apocalyptic number.

It is an amenable number.

25144001153 is a deficient number, since it is larger than the sum of its proper divisors (435667).

25144001153 is an equidigital number, since it uses as much as digits as its factorization.

25144001153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435666.

The product of its (nonzero) digits is 2400, while the sum is 26.

The spelling of 25144001153 in words is "twenty-five billion, one hundred forty-four million, one thousand, one hundred fifty-three".