3261496141887 has 32 divisors (see below), whose sum is σ = 4572772800000. Its totient is φ = 2064753210240.

The previous prime is 3261496141811. The next prime is 3261496141903. The reversal of 3261496141887 is 7881416941623.

It is not a de Polignac number, because 3261496141887 - 2⁷ = 3261496141759 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3261496141887.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3261496141807) 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, 82551864 + ... + 82591362.

It is an arithmetic number, because the mean of its divisors is an integer number (142899150000).

Almost surely, 2^{3261496141887} is an apocalyptic number.

3261496141887 is a deficient number, since it is larger than the sum of its proper divisors (1311276658113).

3261496141887 is a wasteful number, since it uses less digits than its factorization.

3261496141887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55151.

The product of its digits is 13934592, while the sum is 60.

The spelling of 3261496141887 in words is "three trillion, two hundred sixty-one billion, four hundred ninety-six million, one hundred forty-one thousand, eight hundred eighty-seven".