1018377148457 has 4 divisors (see below), whose sum is σ = 1042060338000. Its totient is φ = 994693958916.

The previous prime is 1018377148427. The next prime is 1018377148463. The reversal of 1018377148457 is 7548417738101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1018377148457 - 2³⁰ = 1017303406633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1018377148427) 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, 11841594707 + ... + 11841594792.

It is an arithmetic number, because the mean of its divisors is an integer number (260515084500).

Almost surely, 2^{1018377148457} is an apocalyptic number.

It is an amenable number.

1018377148457 is a deficient number, since it is larger than the sum of its proper divisors (23683189543).

1018377148457 is an equidigital number, since it uses as much as digits as its factorization.

1018377148457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23683189542.

The product of its (nonzero) digits is 5268480, while the sum is 56.

The spelling of 1018377148457 in words is "one trillion, eighteen billion, three hundred seventy-seven million, one hundred forty-eight thousand, four hundred fifty-seven".