11512344213432 has 64 divisors (see below), whose sum is σ = 31980257268000. Its totient is φ = 3837265270272.

The previous prime is 11512344213421. The next prime is 11512344213443. The reversal of 11512344213432 is 23431244321511.

11512344213432 is a `hidden beast` number, since 1 + 1 + 5 + 1 + 2 + 3 + 4 + 4 + 213 + 432 = 666.

It is an interprime number because it is at equal distance from previous prime (11512344213421) and next prime (11512344213443).

It is a super-3 number, since 3×11512344213432³ (a number of 40 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3313638 + ... + 5831370.

Almost surely, 2^{11512344213432} is an apocalyptic number.

11512344213432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11512344213432 is an abundant number, since it is smaller than the sum of its proper divisors (20467913054568).

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

11512344213432 is a wasteful number, since it uses less digits than its factorization.

11512344213432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2538917 (or 2538907 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

Adding to 11512344213432 its reverse (23431244321511), we get a palindrome (34943588534943).

The spelling of 11512344213432 in words is "eleven trillion, five hundred twelve billion, three hundred forty-four million, two hundred thirteen thousand, four hundred thirty-two".