51151002152 has 32 divisors (see below), whose sum is σ = 101154420000. Its totient is φ = 24181783488.

The previous prime is 51151002073. The next prime is 51151002173. The reversal of 51151002152 is 25120015115.

51151002152 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×51151002152² (a number of 22 digits) contains 22 as substring.

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, 253202 + ... + 407937.

It is an arithmetic number, because the mean of its divisors is an integer number (3161075625).

Almost surely, 2^51151002152 is an apocalyptic number.

It is an amenable number.

51151002152 is a deficient number, since it is larger than the sum of its proper divisors (50003417848).

51151002152 is a wasteful number, since it uses less digits than its factorization.

51151002152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661673 (or 661669 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 23.

Adding to 51151002152 its reverse (25120015115), we get a palindrome (76271017267).

The spelling of 51151002152 in words is "fifty-one billion, one hundred fifty-one million, two thousand, one hundred fifty-two".