11461215450165 has 16 divisors (see below), whose sum is σ = 19748555852928. Its totient is φ = 5642444529216.

The previous prime is 11461215450163. The next prime is 11461215450197. The reversal of 11461215450165 is 56105451216411.

It is a happy number.

11461215450165 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11461215450165 - 2¹ = 11461215450163 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11461215450161) 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, 29387731729 + ... + 29387732118.

It is an arithmetic number, because the mean of its divisors is an integer number (1234284740808).

Almost surely, 2^{11461215450165} is an apocalyptic number.

11461215450165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11461215450165 is a deficient number, since it is larger than the sum of its proper divisors (8287340402763).

11461215450165 is a wasteful number, since it uses less digits than its factorization.

11461215450165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58775463868.

The product of its (nonzero) digits is 144000, while the sum is 42.

Adding to 11461215450165 its reverse (56105451216411), we get a palindrome (67566666666576).

The spelling of 11461215450165 in words is "eleven trillion, four hundred sixty-one billion, two hundred fifteen million, four hundred fifty thousand, one hundred sixty-five".