51650156451 has 8 divisors (see below), whose sum is σ = 68904909504. Its totient is φ = 34414420520.

The previous prime is 51650156443. The next prime is 51650156461. The reversal of 51650156451 is 15465105615.

51650156451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51650156451 - 2³ = 51650156443 is a prime.

It is a super-2 number, since 2×51650156451² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51650156431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4747941 + ... + 4758806.

It is an arithmetic number, because the mean of its divisors is an integer number (8613113688).

Almost surely, 2^51650156451 is an apocalyptic number.

51650156451 is a deficient number, since it is larger than the sum of its proper divisors (17254753053).

51650156451 is a wasteful number, since it uses less digits than its factorization.

51650156451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9508561.

The product of its (nonzero) digits is 90000, while the sum is 39.

The spelling of 51650156451 in words is "fifty-one billion, six hundred fifty million, one hundred fifty-six thousand, four hundred fifty-one".