51096900159 has 12 divisors (see below), whose sum is σ = 73810393800. Its totient is φ = 34062864624.

The previous prime is 51096900157. The next prime is 51096900181. The reversal of 51096900159 is 95100969015.

It is a happy number.

It is not a de Polignac number, because 51096900159 - 2¹ = 51096900157 is a prime.

It is a super-2 number, since 2×51096900159² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51096900157) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56577 + ... + 324645.

It is an arithmetic number, because the mean of its divisors is an integer number (6150866150).

Almost surely, 2^51096900159 is an apocalyptic number.

51096900159 is a deficient number, since it is larger than the sum of its proper divisors (22713493641).

51096900159 is a wasteful number, since it uses less digits than its factorization.

51096900159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289254 (or 289251 counting only the distinct ones).

The product of its (nonzero) digits is 109350, while the sum is 45.

The spelling of 51096900159 in words is "fifty-one billion, ninety-six million, nine hundred thousand, one hundred fifty-nine".