15400215552133 has 16 divisors (see below), whose sum is σ = 15919267613184. Its totient is φ = 14882568972480.

The previous prime is 15400215552107. The next prime is 15400215552191. The reversal of 15400215552133 is 33125551200451.

It is not a de Polignac number, because 15400215552133 - 2⁹ = 15400215551621 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15400215552092 and 15400215552101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15400215555133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69038766 + ... + 69261472.

It is an arithmetic number, because the mean of its divisors is an integer number (994954225824).

Almost surely, 2^{15400215552133} is an apocalyptic number.

It is an amenable number.

15400215552133 is a deficient number, since it is larger than the sum of its proper divisors (519052061051).

15400215552133 is a wasteful number, since it uses less digits than its factorization.

15400215552133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225852.

The product of its (nonzero) digits is 90000, while the sum is 37.

Adding to 15400215552133 its reverse (33125551200451), we get a palindrome (48525766752584).

The spelling of 15400215552133 in words is "fifteen trillion, four hundred billion, two hundred fifteen million, five hundred fifty-two thousand, one hundred thirty-three".