51023433351 has 32 divisors (see below), whose sum is σ = 74529105408. Its totient is φ = 30793011840.

The previous prime is 51023433343. The next prime is 51023433371. The reversal of 51023433351 is 15333432015.

It is not a de Polignac number, because 51023433351 - 2³ = 51023433343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51023433301) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12938286 + ... + 12942228.

It is an arithmetic number, because the mean of its divisors is an integer number (2329034544).

Almost surely, 2^51023433351 is an apocalyptic number.

51023433351 is a deficient number, since it is larger than the sum of its proper divisors (23505672057).

51023433351 is a wasteful number, since it uses less digits than its factorization.

51023433351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5511.

The product of its (nonzero) digits is 16200, while the sum is 30.

Adding to 51023433351 its reverse (15333432015), we get a palindrome (66356865366).

The spelling of 51023433351 in words is "fifty-one billion, twenty-three million, four hundred thirty-three thousand, three hundred fifty-one".