51151002243 has 16 divisors (see below), whose sum is σ = 74407397376. Its totient is φ = 30998132640.

The previous prime is 51151002241. The next prime is 51151002251. The reversal of 51151002243 is 34220015115.

It is a happy number.

It is not a de Polignac number, because 51151002243 - 2¹ = 51151002241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51151002241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 411921 + ... + 521517.

It is an arithmetic number, because the mean of its divisors is an integer number (4650462336).

Almost surely, 2^51151002243 is an apocalyptic number.

51151002243 is a deficient number, since it is larger than the sum of its proper divisors (23256395133).

51151002243 is a wasteful number, since it uses less digits than its factorization.

51151002243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123754.

The product of its (nonzero) digits is 1200, while the sum is 24.

Adding to 51151002243 its reverse (34220015115), we get a palindrome (85371017358).

The spelling of 51151002243 in words is "fifty-one billion, one hundred fifty-one million, two thousand, two hundred forty-three".