51114105554 has 4 divisors (see below), whose sum is σ = 76671158334. Its totient is φ = 25557052776.

The previous prime is 51114105487. The next prime is 51114105569. The reversal of 51114105554 is 45550141115.

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

It can be written as a sum of positive squares in only one way, i.e., 30792177529 + 20321928025 = 175477^2 + 142555^2 .

It is a super-2 number, since 2×51114105554² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 51114105554.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12778526387 + ... + 12778526390.

Almost surely, 2^51114105554 is an apocalyptic number.

51114105554 is a deficient number, since it is larger than the sum of its proper divisors (25557052780).

51114105554 is a wasteful number, since it uses less digits than its factorization.

51114105554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25557052779.

The product of its (nonzero) digits is 10000, while the sum is 32.

Adding to 51114105554 its reverse (45550141115), we get a palindrome (96664246669).

The spelling of 51114105554 in words is "fifty-one billion, one hundred fourteen million, one hundred five thousand, five hundred fifty-four".