2053720243531 has 8 divisors (see below), whose sum is σ = 2242715260464. Its totient is φ = 1865107422720.

The previous prime is 2053720243481. The next prime is 2053720243537. The reversal of 2053720243531 is 1353420273502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2053720243531 - 2¹⁷ = 2053720112459 is a prime.

It is a super-2 number, since 2×2053720243531² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2053720243537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95537790 + ... + 95559283.

It is an arithmetic number, because the mean of its divisors is an integer number (280339407558).

Almost surely, 2^{2053720243531} is an apocalyptic number.

2053720243531 is a deficient number, since it is larger than the sum of its proper divisors (188995016933).

2053720243531 is a wasteful number, since it uses less digits than its factorization.

2053720243531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191098061.

The product of its (nonzero) digits is 151200, while the sum is 37.

The spelling of 2053720243531 in words is "two trillion, fifty-three billion, seven hundred twenty million, two hundred forty-three thousand, five hundred thirty-one".