25132661445 has 64 divisors (see below), whose sum is σ = 42969600000. Its totient is φ = 12507146496.

The previous prime is 25132661443. The next prime is 25132661461. The reversal of 25132661445 is 54416623152.

It is not a de Polignac number, because 25132661445 - 2¹ = 25132661443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25132661443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11233867 + ... + 11236103.

It is an arithmetic number, because the mean of its divisors is an integer number (671400000).

Almost surely, 2^25132661445 is an apocalyptic number.

It is an amenable number.

25132661445 is a deficient number, since it is larger than the sum of its proper divisors (17836938555).

25132661445 is a wasteful number, since it uses less digits than its factorization.

25132661445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2842.

The product of its digits is 172800, while the sum is 39.

The spelling of 25132661445 in words is "twenty-five billion, one hundred thirty-two million, six hundred sixty-one thousand, four hundred forty-five".