116202145521 has 32 divisors (see below), whose sum is σ = 193326916608. Its totient is φ = 60314840640.

The previous prime is 116202145481. The next prime is 116202145529. The reversal of 116202145521 is 125541202611.

It is not a de Polignac number, because 116202145521 - 2⁹ = 116202145009 is a prime.

It is a super-2 number, since 2×116202145521² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (116202145529) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 72850 + ... + 487556.

It is an arithmetic number, because the mean of its divisors is an integer number (6041466144).

Almost surely, 2^116202145521 is an apocalyptic number.

116202145521 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

116202145521 is a deficient number, since it is larger than the sum of its proper divisors (77124771087).

116202145521 is a wasteful number, since it uses less digits than its factorization.

116202145521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415941.

The product of its (nonzero) digits is 4800, while the sum is 30.

The spelling of 116202145521 in words is "one hundred sixteen billion, two hundred two million, one hundred forty-five thousand, five hundred twenty-one".