2101512753 has 24 divisors (see below), whose sum is σ = 3161046720. Its totient is φ = 1343714400.

The previous prime is 2101512719. The next prime is 2101512761. The reversal of 2101512753 is 3572151012.

It is not a de Polignac number, because 2101512753 - 2¹⁶ = 2101447217 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2101512713) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12750 + ... + 66072.

It is an arithmetic number, because the mean of its divisors is an integer number (131710280).

Almost surely, 2^2101512753 is an apocalyptic number.

It is an amenable number.

2101512753 is a deficient number, since it is larger than the sum of its proper divisors (1059533967).

2101512753 is a wasteful number, since it uses less digits than its factorization.

2101512753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53509 (or 53506 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 27.

The square root of 2101512753 is about 45842.2594665664. The cubic root of 2101512753 is about 1280.8865832415.

Adding to 2101512753 its reverse (3572151012), we get a palindrome (5673663765).

The spelling of 2101512753 in words is "two billion, one hundred one million, five hundred twelve thousand, seven hundred fifty-three".