240553122311129 has 2 divisors, whose sum is σ = 240553122311130. Its totient is φ = 240553122311128.

The previous prime is 240553122311111. The next prime is 240553122311197. The reversal of 240553122311129 is 921113221355042.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 238981917721600 + 1571204589529 = 15459040^2 + 1253477^2 .

It is a cyclic number.

It is not a de Polignac number, because 240553122311129 - 2²⁴ = 240553105533913 is a prime.

It is not a weakly prime, because it can be changed into another prime (240553122311629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120276561155564 + 120276561155565.

It is an arithmetic number, because the mean of its divisors is an integer number (120276561155565).

Almost surely, 2^{240553122311129} is an apocalyptic number.

It is an amenable number.

240553122311129 is a deficient number, since it is larger than the sum of its proper divisors (1).

240553122311129 is an equidigital number, since it uses as much as digits as its factorization.

240553122311129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129600, while the sum is 41.

The spelling of 240553122311129 in words is "two hundred forty trillion, five hundred fifty-three billion, one hundred twenty-two million, three hundred eleven thousand, one hundred twenty-nine".