51006501153 has 24 divisors (see below), whose sum is σ = 74024121600. Its totient is φ = 33843853440.

The previous prime is 51006501151. The next prime is 51006501193. The reversal of 51006501153 is 35110560015.

51006501153 is a `hidden beast` number, since 5 + 1 + 0 + 0 + 6 + 501 + 153 = 666.

It is not a de Polignac number, because 51006501153 - 2¹ = 51006501151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51006501151) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4468948 + ... + 4480346.

It is an arithmetic number, because the mean of its divisors is an integer number (3084338400).

Almost surely, 2^51006501153 is an apocalyptic number.

It is an amenable number.

51006501153 is a deficient number, since it is larger than the sum of its proper divisors (23017620447).

51006501153 is a wasteful number, since it uses less digits than its factorization.

51006501153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13709 (or 13706 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 27.

The spelling of 51006501153 in words is "fifty-one billion, six million, five hundred one thousand, one hundred fifty-three".