5155101621 has 12 divisors (see below), whose sum is σ = 7446959520. Its totient is φ = 3436410600.

The previous prime is 5155101617. The next prime is 5155101647. The reversal of 5155101621 is 1261015515.

5155101621 is a `hidden beast` number, since 51 + 551 + 0 + 1 + 62 + 1 = 666.

It is not a de Polignac number, because 5155101621 - 2² = 5155101617 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5155101671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 110946 + ... + 150396.

It is an arithmetic number, because the mean of its divisors is an integer number (620579960).

Almost surely, 2^5155101621 is an apocalyptic number.

It is an amenable number.

5155101621 is a deficient number, since it is larger than the sum of its proper divisors (2291857899).

5155101621 is a wasteful number, since it uses less digits than its factorization.

5155101621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53976 (or 53973 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 27.

The square root of 5155101621 is about 71799.0363514720. The cubic root of 5155101621 is about 1727.4775428703.

The spelling of 5155101621 in words is "five billion, one hundred fifty-five million, one hundred one thousand, six hundred twenty-one".