2105132342525 has 12 divisors (see below), whose sum is σ = 2613327087924. Its totient is φ = 1682194272000.

The previous prime is 2105132342449. The next prime is 2105132342629. The reversal of 2105132342525 is 5252432315012.

It can be written as a sum of positive squares in 6 ways, for example, as 254601985561 + 1850530356964 = 504581^2 + 1360342^2 .

It is not a de Polignac number, because 2105132342525 - 2³⁶ = 2036412865789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47767586 + ... + 47811635.

It is an arithmetic number, because the mean of its divisors is an integer number (217777257327).

Almost surely, 2^{2105132342525} is an apocalyptic number.

2105132342525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2105132342525 is a deficient number, since it is larger than the sum of its proper divisors (508194745399).

2105132342525 is an equidigital number, since it uses as much as digits as its factorization.

2105132342525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95580112 (or 95580107 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

Adding to 2105132342525 its reverse (5252432315012), we get a palindrome (7357564657537).

The spelling of 2105132342525 in words is "two trillion, one hundred five billion, one hundred thirty-two million, three hundred forty-two thousand, five hundred twenty-five".