13154620431215 has 8 divisors (see below), whose sum is σ = 15786957414048. Its totient is φ = 10522754413920.

The previous prime is 13154620431209. The next prime is 13154620431217. The reversal of 13154620431215 is 51213402645131.

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

It is not a de Polignac number, because 13154620431215 - 2¹⁸ = 13154620169071 is a prime.

It is a super-2 number, since 2×13154620431215² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13154620431217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117679931 + ... + 117791660.

It is an arithmetic number, because the mean of its divisors is an integer number (1973369676756).

Almost surely, 2^{13154620431215} is an apocalyptic number.

13154620431215 is a deficient number, since it is larger than the sum of its proper divisors (2632336982833).

13154620431215 is a wasteful number, since it uses less digits than its factorization.

13154620431215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235482769.

The product of its (nonzero) digits is 86400, while the sum is 38.

The spelling of 13154620431215 in words is "thirteen trillion, one hundred fifty-four billion, six hundred twenty million, four hundred thirty-one thousand, two hundred fifteen".