25455015461 has 8 divisors (see below), whose sum is σ = 26294275584. Its totient is φ = 24616888560.

The previous prime is 25455015451. The next prime is 25455015463. The reversal of 25455015461 is 16451055452.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25455015461 - 2¹⁴ = 25454999077 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25455015463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 237521 + ... + 327606.

It is an arithmetic number, because the mean of its divisors is an integer number (3286784448).

Almost surely, 2^25455015461 is an apocalyptic number.

It is an amenable number.

25455015461 is a deficient number, since it is larger than the sum of its proper divisors (839260123).

25455015461 is a wasteful number, since it uses less digits than its factorization.

25455015461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566611.

The product of its (nonzero) digits is 120000, while the sum is 38.

The spelling of 25455015461 in words is "twenty-five billion, four hundred fifty-five million, fifteen thousand, four hundred sixty-one".