20134115451 has 6 divisors (see below), whose sum is σ = 29082611220. Its totient is φ = 13422743628.

The previous prime is 20134115437. The next prime is 20134115489. The reversal of 20134115451 is 15451143102.

20134115451 is a `hidden beast` number, since 201 + 3 + 4 + 1 + 1 + 5 + 451 = 666.

It is not a de Polignac number, because 20134115451 - 2¹⁷ = 20133984379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20134115401) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1118561961 + ... + 1118561978.

It is an arithmetic number, because the mean of its divisors is an integer number (4847101870).

Almost surely, 2^20134115451 is an apocalyptic number.

20134115451 is a deficient number, since it is larger than the sum of its proper divisors (8948495769).

20134115451 is a wasteful number, since it uses less digits than its factorization.

20134115451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2237123945 (or 2237123942 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

Adding to 20134115451 its reverse (15451143102), we get a palindrome (35585258553).

The spelling of 20134115451 in words is "twenty billion, one hundred thirty-four million, one hundred fifteen thousand, four hundred fifty-one".