51153451144 has 32 divisors (see below), whose sum is σ = 97246131840. Its totient is φ = 25223212800.

The previous prime is 51153451099. The next prime is 51153451183. The reversal of 51153451144 is 44115435115.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69789 + ... + 327379.

It is an arithmetic number, because the mean of its divisors is an integer number (3038941620).

Almost surely, 2^51153451144 is an apocalyptic number.

It is an amenable number.

51153451144 is a deficient number, since it is larger than the sum of its proper divisors (46092680696).

51153451144 is a wasteful number, since it uses less digits than its factorization.

51153451144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257941 (or 257937 counting only the distinct ones).

The product of its digits is 24000, while the sum is 34.

Adding to 51153451144 its reverse (44115435115), we get a palindrome (95268886259).

The spelling of 51153451144 in words is "fifty-one billion, one hundred fifty-three million, four hundred fifty-one thousand, one hundred forty-four".