51465113003 has 4 divisors (see below), whose sum is σ = 51476536440. Its totient is φ = 51453689568.

The previous prime is 51465112969. The next prime is 51465113017. The reversal of 51465113003 is 30031156415.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 51465113003 - 2⁶ = 51465112939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51465113023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5704958 + ... + 5713971.

It is an arithmetic number, because the mean of its divisors is an integer number (12869134110).

Almost surely, 2^51465113003 is an apocalyptic number.

51465113003 is a deficient number, since it is larger than the sum of its proper divisors (11423437).

51465113003 is a wasteful number, since it uses less digits than its factorization.

51465113003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11423436.

The product of its (nonzero) digits is 5400, while the sum is 29.

Adding to 51465113003 its reverse (30031156415), we get a palindrome (81496269418).

The spelling of 51465113003 in words is "fifty-one billion, four hundred sixty-five million, one hundred thirteen thousand, three".