651241241541 has 48 divisors (see below), whose sum is σ = 1064612438400. Its totient is φ = 393155389440.

The previous prime is 651241241531. The next prime is 651241241549. The reversal of 651241241541 is 145142142156.

651241241541 is a `hidden beast` number, since 6 + 51 + 2 + 41 + 24 + 1 + 541 = 666.

It is not a de Polignac number, because 651241241541 - 2⁶ = 651241241477 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 651241241496 and 651241241505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (651241241549) 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, 451800 + ... + 1227438.

It is an arithmetic number, because the mean of its divisors is an integer number (22179425800).

Almost surely, 2^651241241541 is an apocalyptic number.

It is an amenable number.

651241241541 is a deficient number, since it is larger than the sum of its proper divisors (413371196859).

651241241541 is a wasteful number, since it uses less digits than its factorization.

651241241541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 775927 (or 775910 counting only the distinct ones).

The product of its digits is 38400, while the sum is 36.

Adding to 651241241541 its reverse (145142142156), we get a palindrome (796383383697).

The spelling of 651241241541 in words is "six hundred fifty-one billion, two hundred forty-one million, two hundred forty-one thousand, five hundred forty-one".