1318212054153 has 6 divisors (see below), whose sum is σ = 1904084078234. Its totient is φ = 878808036096.

The previous prime is 1318212054139. The next prime is 1318212054167. The reversal of 1318212054153 is 3514502128131.

1318212054153 is a `hidden beast` number, since 1 + 3 + 18 + 21 + 205 + 415 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (1318212054139) and next prime (1318212054167).

It can be written as a sum of positive squares in only one way, i.e., 812588664969 + 505623389184 = 901437^2 + 711072^2 .

It is not a de Polignac number, because 1318212054153 - 2¹⁶ = 1318211988617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1318212054113) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 73234003000 + ... + 73234003017.

Almost surely, 2^{1318212054153} is an apocalyptic number.

It is an amenable number.

1318212054153 is a deficient number, since it is larger than the sum of its proper divisors (585872024081).

1318212054153 is a wasteful number, since it uses less digits than its factorization.

1318212054153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146468006023 (or 146468006020 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The spelling of 1318212054153 in words is "one trillion, three hundred eighteen billion, two hundred twelve million, fifty-four thousand, one hundred fifty-three".