25109490741049 has 16 divisors (see below), whose sum is σ = 29511906588864. Its totient is φ = 21061869364800.

The previous prime is 25109490740981. The next prime is 25109490741079. The reversal of 25109490741049 is 94014709490152.

It is not a de Polignac number, because 25109490741049 - 2¹³ = 25109490732857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25109490741079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37298367 + ... + 37965604.

It is an arithmetic number, because the mean of its divisors is an integer number (1844494161804).

Almost surely, 2^{25109490741049} is an apocalyptic number.

It is an amenable number.

25109490741049 is a deficient number, since it is larger than the sum of its proper divisors (4402415847815).

25109490741049 is a wasteful number, since it uses less digits than its factorization.

25109490741049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75266328.

The product of its (nonzero) digits is 3265920, while the sum is 55.

The spelling of 25109490741049 in words is "twenty-five trillion, one hundred nine billion, four hundred ninety million, seven hundred forty-one thousand, forty-nine".