53545125511 has 24 divisors (see below), whose sum is σ = 57261348144. Its totient is φ = 49995429120.

The previous prime is 53545125509. The next prime is 53545125527. The reversal of 53545125511 is 11552154535.

It is not a de Polignac number, because 53545125511 - 2¹ = 53545125509 is a prime.

It is a super-2 number, since 2×53545125511² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53545125541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 70732945 + ... + 70733701.

It is an arithmetic number, because the mean of its divisors is an integer number (2385889506).

Almost surely, 2^53545125511 is an apocalyptic number.

53545125511 is a deficient number, since it is larger than the sum of its proper divisors (3716222633).

53545125511 is an frugal number, since it uses more digits than its factorization.

53545125511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1651 (or 894 counting only the distinct ones).

The product of its digits is 75000, while the sum is 37.

The spelling of 53545125511 in words is "fifty-three billion, five hundred forty-five million, one hundred twenty-five thousand, five hundred eleven".