15122205553 has 8 divisors (see below), whose sum is σ = 18611945408. Its totient is φ = 11964821904.

The previous prime is 15122205547. The next prime is 15122205559. The reversal of 15122205553 is 35550222151.

15122205553 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (15122205547) and next prime (15122205559).

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

It is not a de Polignac number, because 15122205553 - 2¹³ = 15122197361 is a prime.

It is a super-2 number, since 2×15122205553² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (15122205559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83088951 + ... + 83089132.

It is an arithmetic number, because the mean of its divisors is an integer number (2326493176).

Almost surely, 2^15122205553 is an apocalyptic number.

15122205553 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

15122205553 is a deficient number, since it is larger than the sum of its proper divisors (3489739855).

15122205553 is a wasteful number, since it uses less digits than its factorization.

15122205553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166178103.

The product of its (nonzero) digits is 15000, while the sum is 31.

The spelling of 15122205553 in words is "fifteen billion, one hundred twenty-two million, two hundred five thousand, five hundred fifty-three".