61016114520 has 96 divisors (see below), whose sum is σ = 200812622400. Its totient is φ = 16064994816.

The previous prime is 61016114513. The next prime is 61016114561. The reversal of 61016114520 is 2541161016.

61016114520 is a `hidden beast` number, since 6 + 1 + 0 + 1 + 611 + 45 + 2 + 0 = 666.

It is a super-2 number, since 2×61016114520² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1044277 + ... + 1101156.

It is an arithmetic number, because the mean of its divisors is an integer number (2091798150).

Almost surely, 2^61016114520 is an apocalyptic number.

61016114520 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

61016114520 is an abundant number, since it is smaller than the sum of its proper divisors (139796507880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61016114520 is a wasteful number, since it uses less digits than its factorization.

61016114520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2145529 (or 2145522 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

Adding to 61016114520 its reverse (2541161016), we get a palindrome (63557275536).

The spelling of 61016114520 in words is "sixty-one billion, sixteen million, one hundred fourteen thousand, five hundred twenty".