11531505646002 has 16 divisors (see below), whose sum is σ = 23072475010752. Its totient is φ = 3842257928880.

The previous prime is 11531505645971. The next prime is 11531505646033. The reversal of 11531505646002 is 20064650513511.

It is an interprime number because it is at equal distance from previous prime (11531505645971) and next prime (11531505646033).

It is a super-3 number, since 3×11531505646002³ (a number of 40 digits) contains 333 as substring.

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 7 ways as a sum of consecutive naturals, for example, 394305774 + ... + 394335017.

It is an arithmetic number, because the mean of its divisors is an integer number (1442029688172).

Almost surely, 2^{11531505646002} is an apocalyptic number.

11531505646002 is an abundant number, since it is smaller than the sum of its proper divisors (11540969364750).

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

11531505646002 is a wasteful number, since it uses less digits than its factorization.

11531505646002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 788643233.

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

The spelling of 11531505646002 in words is "eleven trillion, five hundred thirty-one billion, five hundred five million, six hundred forty-six thousand, two".