25050455145 has 64 divisors (see below), whose sum is σ = 47195619840. Its totient is φ = 12563195904.

The previous prime is 25050455093. The next prime is 25050455147. The reversal of 25050455145 is 54155405052.

25050455145 is a `hidden beast` number, since 2 + 5 + 0 + 504 + 5 + 5 + 145 = 666.

It is not a de Polignac number, because 25050455145 - 2²¹ = 25048357993 is a prime.

It is a super-3 number, since 3×25050455145³ (a number of 32 digits) contains 333 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (25050455147) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2986197 + ... + 2994573.

It is an arithmetic number, because the mean of its divisors is an integer number (737431560).

Almost surely, 2^25050455145 is an apocalyptic number.

It is an amenable number.

25050455145 is a deficient number, since it is larger than the sum of its proper divisors (22145164695).

25050455145 is a wasteful number, since it uses less digits than its factorization.

25050455145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9711 (or 9705 counting only the distinct ones).

The product of its (nonzero) digits is 100000, while the sum is 36.

The spelling of 25050455145 in words is "twenty-five billion, fifty million, four hundred fifty-five thousand, one hundred forty-five".