2102538585051 has 48 divisors (see below), whose sum is σ = 3348940608000. Its totient is φ = 1265899078080.

The previous prime is 2102538585011. The next prime is 2102538585071. The reversal of 2102538585051 is 1505858352012.

2102538585051 is a `hidden beast` number, since 2 + 10 + 2 + 5 + 3 + 8 + 585 + 0 + 51 = 666.

It is not a de Polignac number, because 2102538585051 - 2²⁹ = 2102001714139 is a prime.

It is a super-2 number, since 2×2102538585051² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2102538584988 and 2102538585006.

It is not an unprimeable number, because it can be changed into a prime (2102538585011) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2291685 + ... + 3075206.

It is an arithmetic number, because the mean of its divisors is an integer number (69769596000).

Almost surely, 2^{2102538585051} is an apocalyptic number.

2102538585051 is a deficient number, since it is larger than the sum of its proper divisors (1246402022949).

2102538585051 is a wasteful number, since it uses less digits than its factorization.

2102538585051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5367024 (or 5367021 counting only the distinct ones).

The product of its (nonzero) digits is 480000, while the sum is 45.

The spelling of 2102538585051 in words is "two trillion, one hundred two billion, five hundred thirty-eight million, five hundred eighty-five thousand, fifty-one".