5101555601 has 4 divisors (see below), whose sum is σ = 5101710900. Its totient is φ = 5101400304.

The previous prime is 5101555577. The next prime is 5101555603. The reversal of 5101555601 is 1065551015.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2787945601 + 2313610000 = 52801^2 + 48100^2 .

It is a cyclic number.

It is not a de Polignac number, because 5101555601 - 2¹⁴ = 5101539217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5101555603) 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, 6866 + ... + 101243.

It is an arithmetic number, because the mean of its divisors is an integer number (1275427725).

Almost surely, 2^5101555601 is an apocalyptic number.

It is an amenable number.

5101555601 is a deficient number, since it is larger than the sum of its proper divisors (155299).

5101555601 is a wasteful number, since it uses less digits than its factorization.

5101555601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155298.

The product of its (nonzero) digits is 3750, while the sum is 29.

The square root of 5101555601 is about 71425.1748405280. The cubic root of 5101555601 is about 1721.4756131947.

The spelling of 5101555601 in words is "five billion, one hundred one million, five hundred fifty-five thousand, six hundred one".