3161513789520 has 80 divisors (see below), whose sum is σ = 10138647692160. Its totient is φ = 813998950912.

The previous prime is 3161513789519. The next prime is 3161513789531. The reversal of 3161513789520 is 259873151613.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×3161513789520² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 227113284 + ... + 227127203.

It is an arithmetic number, because the mean of its divisors is an integer number (126733096152).

Almost surely, 2^{3161513789520} is an apocalyptic number.

3161513789520 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3161513789520 is an abundant number, since it is smaller than the sum of its proper divisors (6977133902640).

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

3161513789520 is a wasteful number, since it uses less digits than its factorization.

3161513789520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454240532 (or 454240526 counting only the distinct ones).

The product of its (nonzero) digits is 1360800, while the sum is 51.

The spelling of 3161513789520 in words is "three trillion, one hundred sixty-one billion, five hundred thirteen million, seven hundred eighty-nine thousand, five hundred twenty".