5102111554 has 4 divisors (see below), whose sum is σ = 7653167334. Its totient is φ = 2551055776.

The previous prime is 5102111543. The next prime is 5102111557. The reversal of 5102111554 is 4551112015.

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., 3537513529 + 1564598025 = 59477^2 + 39555^2 .

It is not an unprimeable number, because it can be changed into a prime (5102111557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1275527887 + ... + 1275527890.

Almost surely, 2^5102111554 is an apocalyptic number.

5102111554 is a deficient number, since it is larger than the sum of its proper divisors (2551055780).

5102111554 is a wasteful number, since it uses less digits than its factorization.

5102111554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2551055779.

The product of its (nonzero) digits is 1000, while the sum is 25.

The square root of 5102111554 is about 71429.0665905694. The cubic root of 5102111554 is about 1721.5381447598.

Adding to 5102111554 its reverse (4551112015), we get a palindrome (9653223569).

The spelling of 5102111554 in words is "five billion, one hundred two million, one hundred eleven thousand, five hundred fifty-four".