15132220115123 has 32 divisors (see below), whose sum is σ = 16370472093696. Its totient is φ = 13951757685888.

The previous prime is 15132220115107. The next prime is 15132220115161. The reversal of 15132220115123 is 32151102223151.

It is not a de Polignac number, because 15132220115123 - 2⁴ = 15132220115107 is a prime.

It is a super-3 number, since 3×15132220115123³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15132220115423) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 360158465 + ... + 360200477.

It is an arithmetic number, because the mean of its divisors is an integer number (511577252928).

Almost surely, 2^{15132220115123} is an apocalyptic number.

15132220115123 is a deficient number, since it is larger than the sum of its proper divisors (1238251978573).

15132220115123 is a wasteful number, since it uses less digits than its factorization.

15132220115123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47123.

The product of its (nonzero) digits is 3600, while the sum is 29.

Adding to 15132220115123 its reverse (32151102223151), we get a palindrome (47283322338274).

The spelling of 15132220115123 in words is "fifteen trillion, one hundred thirty-two billion, two hundred twenty million, one hundred fifteen thousand, one hundred twenty-three".