2555516101 has 16 divisors (see below), whose sum is σ = 2735808768. Its totient is φ = 2383315200.

The previous prime is 2555516099. The next prime is 2555516107. The reversal of 2555516101 is 1016155552.

It is a cyclic number.

It is not a de Polignac number, because 2555516101 - 2¹ = 2555516099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2555516107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67441 + ... + 98281.

It is an arithmetic number, because the mean of its divisors is an integer number (170988048).

Almost surely, 2^2555516101 is an apocalyptic number.

It is an amenable number.

2555516101 is a deficient number, since it is larger than the sum of its proper divisors (180292667).

2555516101 is a wasteful number, since it uses less digits than its factorization.

2555516101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30972.

The product of its (nonzero) digits is 7500, while the sum is 31.

The square root of 2555516101 is about 50552.1127253847. The cubic root of 2555516101 is about 1367.1816073083.

The spelling of 2555516101 in words is "two billion, five hundred fifty-five million, five hundred sixteen thousand, one hundred one".