25152524551145 has 16 divisors (see below), whose sum is σ = 30407603979600. Its totient is φ = 19972498886400.

The previous prime is 25152524551127. The next prime is 25152524551159. The reversal of 25152524551145 is 54115542525152.

It can be written as a sum of positive squares in 8 ways, for example, as 7082858340496 + 18069666210649 = 2661364^2 + 4250843^2 .

It is not a de Polignac number, because 25152524551145 - 2⁶ = 25152524551081 is a prime.

It is a super-2 number, since 2×25152524551145² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 25152524551145.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11194826 + ... + 13252515.

It is an arithmetic number, because the mean of its divisors is an integer number (1900475248725).

Almost surely, 2^{25152524551145} is an apocalyptic number.

It is an amenable number.

25152524551145 is a deficient number, since it is larger than the sum of its proper divisors (5255079428455).

25152524551145 is a wasteful number, since it uses less digits than its factorization.

25152524551145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24448876.

The product of its digits is 2000000, while the sum is 47.

The spelling of 25152524551145 in words is "twenty-five trillion, one hundred fifty-two billion, five hundred twenty-four million, five hundred fifty-one thousand, one hundred forty-five".