3261520153142 has 4 divisors (see below), whose sum is σ = 4892280229716. Its totient is φ = 1630760076570.

The previous prime is 3261520153139. The next prime is 3261520153181. The reversal of 3261520153142 is 2413510251623.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 815380038284 + ... + 815380038287.

It is an arithmetic number, because the mean of its divisors is an integer number (1223070057429).

Almost surely, 2^{3261520153142} is an apocalyptic number.

3261520153142 is a deficient number, since it is larger than the sum of its proper divisors (1630760076574).

3261520153142 is a wasteful number, since it uses less digits than its factorization.

3261520153142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1630760076573.

The product of its (nonzero) digits is 43200, while the sum is 35.

The spelling of 3261520153142 in words is "three trillion, two hundred sixty-one billion, five hundred twenty million, one hundred fifty-three thousand, one hundred forty-two".