2101525656153 has 24 divisors (see below), whose sum is σ = 3555828200160. Its totient is φ = 1091701638720.

The previous prime is 2101525656143. The next prime is 2101525656187. The reversal of 2101525656153 is 3516565251012.

It is a happy number.

It is not a de Polignac number, because 2101525656153 - 2⁴ = 2101525656137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2101525656133) 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, 649820788 + ... + 649824021.

It is an arithmetic number, because the mean of its divisors is an integer number (148159508340).

Almost surely, 2^{2101525656153} is an apocalyptic number.

It is an amenable number.

2101525656153 is a deficient number, since it is larger than the sum of its proper divisors (1454302544007).

2101525656153 is a wasteful number, since it uses less digits than its factorization.

2101525656153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1299644837 (or 1299644830 counting only the distinct ones).

The product of its (nonzero) digits is 270000, while the sum is 42.

The spelling of 2101525656153 in words is "two trillion, one hundred one billion, five hundred twenty-five million, six hundred fifty-six thousand, one hundred fifty-three".