20251145241 has 6 divisors (see below), whose sum is σ = 29251654250. Its totient is φ = 13500763488.

The previous prime is 20251145227. The next prime is 20251145249. The reversal of 20251145241 is 14254115202.

It is a happy number.

20251145241 is a `hidden beast` number, since 2 + 0 + 25 + 114 + 524 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 11969235216 + 8281910025 = 109404^2 + 91005^2 .

It is not a de Polignac number, because 20251145241 - 2⁶ = 20251145177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20251145249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1125063616 + ... + 1125063633.

Almost surely, 2^20251145241 is an apocalyptic number.

It is an amenable number.

20251145241 is a deficient number, since it is larger than the sum of its proper divisors (9000509009).

20251145241 is a wasteful number, since it uses less digits than its factorization.

20251145241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2250127255 (or 2250127252 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The spelling of 20251145241 in words is "twenty billion, two hundred fifty-one million, one hundred forty-five thousand, two hundred forty-one".