1308988445157 has 12 divisors (see below), whose sum is σ = 1898294003424. Its totient is φ = 869182233000.

The previous prime is 1308988445119. The next prime is 1308988445161. The reversal of 1308988445157 is 7515448898031.

1308988445157 is a `hidden beast` number, since 1 + 30 + 8 + 9 + 8 + 8 + 445 + 157 = 666.

It is not a de Polignac number, because 1308988445157 - 2²² = 1308984250853 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1308988445094 and 1308988445103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1308988445257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 289725153 + ... + 289729670.

It is an arithmetic number, because the mean of its divisors is an integer number (158191166952).

Almost surely, 2^{1308988445157} is an apocalyptic number.

It is an amenable number.

1308988445157 is a deficient number, since it is larger than the sum of its proper divisors (589305558267).

1308988445157 is a wasteful number, since it uses less digits than its factorization.

1308988445157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579455080 (or 579455077 counting only the distinct ones).

The product of its (nonzero) digits is 38707200, while the sum is 63.

The spelling of 1308988445157 in words is "one trillion, three hundred eight billion, nine hundred eighty-eight million, four hundred forty-five thousand, one hundred fifty-seven".