13540510520155 has 8 divisors (see below), whose sum is σ = 16316034254784. Its totient is φ = 10787460662400.

The previous prime is 13540510520153. The next prime is 13540510520177. The reversal of 13540510520155 is 55102501504531.

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

It is not a de Polignac number, because 13540510520155 - 2¹ = 13540510520153 is a prime.

It is a super-2 number, since 2×13540510520155² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13540510520153) 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, 5618467891 + ... + 5618470300.

It is an arithmetic number, because the mean of its divisors is an integer number (2039504281848).

Almost surely, 2^{13540510520155} is an apocalyptic number.

13540510520155 is a deficient number, since it is larger than the sum of its proper divisors (2775523734629).

13540510520155 is a wasteful number, since it uses less digits than its factorization.

13540510520155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11236938437.

The product of its (nonzero) digits is 75000, while the sum is 37.

The spelling of 13540510520155 in words is "thirteen trillion, five hundred forty billion, five hundred ten million, five hundred twenty thousand, one hundred fifty-five".