25900988310541 has 4 divisors (see below), whose sum is σ = 26213048410752. Its totient is φ = 25588928210332.

The previous prime is 25900988310433. The next prime is 25900988310599. The reversal of 25900988310541 is 14501388900952.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 25900988310541 - 2⁴³ = 17104895288333 is a prime.

It is a super-2 number, since 2×25900988310541² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25900988314541) 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, 156030049981 + ... + 156030050146.

It is an arithmetic number, because the mean of its divisors is an integer number (6553262102688).

Almost surely, 2^{25900988310541} is an apocalyptic number.

It is an amenable number.

25900988310541 is a deficient number, since it is larger than the sum of its proper divisors (312060100211).

25900988310541 is an equidigital number, since it uses as much as digits as its factorization.

25900988310541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312060100210.

The product of its (nonzero) digits is 3110400, while the sum is 55.

The spelling of 25900988310541 in words is "twenty-five trillion, nine hundred billion, nine hundred eighty-eight million, three hundred ten thousand, five hundred forty-one".