3261156055014 has 96 divisors (see below), whose sum is σ = 7722418878720. Its totient is φ = 911999689920.

The previous prime is 3261156054991. The next prime is 3261156055037. The reversal of 3261156055014 is 4105506511623.

It is an interprime number because it is at equal distance from previous prime (3261156054991) and next prime (3261156055037).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 43065517 + ... + 43141175.

It is an arithmetic number, because the mean of its divisors is an integer number (80441863320).

Almost surely, 2^{3261156055014} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3261156055014, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3861209439360).

3261156055014 is an abundant number, since it is smaller than the sum of its proper divisors (4461262823706).

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

3261156055014 is a wasteful number, since it uses less digits than its factorization.

3261156055014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80266 (or 80255 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 39.

The spelling of 3261156055014 in words is "three trillion, two hundred sixty-one billion, one hundred fifty-six million, fifty-five thousand, fourteen".