15552123321135 has 8 divisors (see below), whose sum is σ = 24883397313840. Its totient is φ = 8294465771264.

The previous prime is 15552123321131. The next prime is 15552123321139. The reversal of 15552123321135 is 53112332125551.

It is an interprime number because it is at equal distance from previous prime (15552123321131) and next prime (15552123321139).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 15552123321135 - 2² = 15552123321131 is a prime.

It is a super-2 number, since 2×15552123321135² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 15552123321093 and 15552123321102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15552123321131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 518404110690 + ... + 518404110719.

It is an arithmetic number, because the mean of its divisors is an integer number (3110424664230).

Almost surely, 2^{15552123321135} is an apocalyptic number.

15552123321135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

15552123321135 is a deficient number, since it is larger than the sum of its proper divisors (9331273992705).

15552123321135 is a wasteful number, since it uses less digits than its factorization.

15552123321135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1036808221417.

The product of its digits is 135000, while the sum is 39.

Adding to 15552123321135 its reverse (53112332125551), we get a palindrome (68664455446686).

The spelling of 15552123321135 in words is "fifteen trillion, five hundred fifty-two billion, one hundred twenty-three million, three hundred twenty-one thousand, one hundred thirty-five".