121540046533183 has 2 divisors, whose sum is σ = 121540046533184. Its totient is φ = 121540046533182.

The previous prime is 121540046533151. The next prime is 121540046533229. The reversal of 121540046533183 is 381335640045121.

It is an a-pointer prime, because the next prime (121540046533229) can be obtained adding 121540046533183 to its sum of digits (46).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121540046533183 - 2⁵ = 121540046533151 is a prime.

It is a super-2 number, since 2×121540046533183² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121540046533583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60770023266591 + 60770023266592.

It is an arithmetic number, because the mean of its divisors is an integer number (60770023266592).

Almost surely, 2^{121540046533183} is an apocalyptic number.

121540046533183 is a deficient number, since it is larger than the sum of its proper divisors (1).

121540046533183 is an equidigital number, since it uses as much as digits as its factorization.

121540046533183 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1036800, while the sum is 46.

The spelling of 121540046533183 in words is "one hundred twenty-one trillion, five hundred forty billion, forty-six million, five hundred thirty-three thousand, one hundred eighty-three".