11940465036155 has 16 divisors (see below), whose sum is σ = 14605331680800. Its totient is φ = 9368014875648.

The previous prime is 11940465036151. The next prime is 11940465036167. The reversal of 11940465036155 is 55163056404911.

It is a cyclic number.

It is not a de Polignac number, because 11940465036155 - 2² = 11940465036151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11940465036151) 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, 9309305 + ... + 10513994.

It is an arithmetic number, because the mean of its divisors is an integer number (912833230050).

Almost surely, 2^{11940465036155} is an apocalyptic number.

11940465036155 is a deficient number, since it is larger than the sum of its proper divisors (2664866644645).

11940465036155 is a wasteful number, since it uses less digits than its factorization.

11940465036155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19825630.

The product of its (nonzero) digits is 1944000, while the sum is 50.

The spelling of 11940465036155 in words is "eleven trillion, nine hundred forty billion, four hundred sixty-five million, thirty-six thousand, one hundred fifty-five".