25554789400941 has 48 divisors (see below), whose sum is σ = 39712713243840. Its totient is φ = 15787534521600.

The previous prime is 25554789400937. The next prime is 25554789400961. The reversal of 25554789400941 is 14900498745552.

25554789400941 is a `hidden beast` number, since 2 + 5 + 5 + 547 + 8 + 9 + 40 + 0 + 9 + 41 = 666.

It is not a de Polignac number, because 25554789400941 - 2² = 25554789400937 is a prime.

It is a super-2 number, since 2×25554789400941² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25554789400901) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7479976 + ... + 10346961.

It is an arithmetic number, because the mean of its divisors is an integer number (827348192580).

Almost surely, 2^{25554789400941} is an apocalyptic number.

It is an amenable number.

25554789400941 is a deficient number, since it is larger than the sum of its proper divisors (14157923842899).

25554789400941 is a wasteful number, since it uses less digits than its factorization.

25554789400941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17827146 (or 17827143 counting only the distinct ones).

The product of its (nonzero) digits is 72576000, while the sum is 63.

The spelling of 25554789400941 in words is "twenty-five trillion, five hundred fifty-four billion, seven hundred eighty-nine million, four hundred thousand, nine hundred forty-one".