145123130412511 has 4 divisors (see below), whose sum is σ = 145388437781272. Its totient is φ = 144857823043752.

The previous prime is 145123130412479. The next prime is 145123130412517. The reversal of 145123130412511 is 115214031321541.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 145123130412511 - 2⁵ = 145123130412479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145123130412517) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132653683560 + ... + 132653684653.

It is an arithmetic number, because the mean of its divisors is an integer number (36347109445318).

Almost surely, 2^{145123130412511} is an apocalyptic number.

145123130412511 is a deficient number, since it is larger than the sum of its proper divisors (265307368761).

145123130412511 is an equidigital number, since it uses as much as digits as its factorization.

145123130412511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265307368760.

The product of its (nonzero) digits is 14400, while the sum is 34.

The spelling of 145123130412511 in words is "one hundred forty-five trillion, one hundred twenty-three billion, one hundred thirty million, four hundred twelve thousand, five hundred eleven".