11351113152155 has 16 divisors (see below), whose sum is σ = 15569023074240. Its totient is φ = 7782729357312.

The previous prime is 11351113152139. The next prime is 11351113152221. The reversal of 11351113152155 is 55125131115311.

It is a happy number.

It is not a de Polignac number, because 11351113152155 - 2⁴ = 11351113152139 is a prime.

It is a super-2 number, since 2×11351113152155² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18254210 + ... + 18865799.

It is an arithmetic number, because the mean of its divisors is an integer number (973063942140).

Almost surely, 2^{11351113152155} is an apocalyptic number.

11351113152155 is a deficient number, since it is larger than the sum of its proper divisors (4217909922085).

11351113152155 is an equidigital number, since it uses as much as digits as its factorization.

11351113152155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37128758.

The product of its digits is 11250, while the sum is 35.

Adding to 11351113152155 its reverse (55125131115311), we get a palindrome (66476244267466).

The spelling of 11351113152155 in words is "eleven trillion, three hundred fifty-one billion, one hundred thirteen million, one hundred fifty-two thousand, one hundred fifty-five".