52891011123 has 16 divisors (see below), whose sum is σ = 70928538240. Its totient is φ = 35057503296.

The previous prime is 52891011109. The next prime is 52891011157. The reversal of 52891011123 is 32111019825.

It is not a de Polignac number, because 52891011123 - 2²¹ = 52888913971 is a prime.

It is a super-2 number, since 2×52891011123² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52891011023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 450711 + ... + 555807.

It is an arithmetic number, because the mean of its divisors is an integer number (4433033640).

Almost surely, 2^52891011123 is an apocalyptic number.

52891011123 is a deficient number, since it is larger than the sum of its proper divisors (18037527117).

52891011123 is a wasteful number, since it uses less digits than its factorization.

52891011123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106066.

The product of its (nonzero) digits is 4320, while the sum is 33.

The spelling of 52891011123 in words is "fifty-two billion, eight hundred ninety-one million, eleven thousand, one hundred twenty-three".