13451440051 has 32 divisors (see below), whose sum is σ = 16860856320. Its totient is φ = 10471485600.

The previous prime is 13451440019. The next prime is 13451440061. The reversal of 13451440051 is 15004415431.

It is a cyclic number.

It is not a de Polignac number, because 13451440051 - 2⁵ = 13451440019 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13451440001) 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, 425916 + ... + 456406.

It is an arithmetic number, because the mean of its divisors is an integer number (526901760).

Almost surely, 2^13451440051 is an apocalyptic number.

13451440051 is a deficient number, since it is larger than the sum of its proper divisors (3409416269).

13451440051 is a wasteful number, since it uses less digits than its factorization.

13451440051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30655.

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 13451440051 its reverse (15004415431), we get a palindrome (28455855482).

The spelling of 13451440051 in words is "thirteen billion, four hundred fifty-one million, four hundred forty thousand, fifty-one".