1555454142152 has 64 divisors (see below), whose sum is σ = 3041213385600. Its totient is φ = 745355197440.

The previous prime is 1555454142089. The next prime is 1555454142167. The reversal of 1555454142152 is 2512414545551.

It is a super-2 number, since 2×1555454142152² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3014453 + ... + 3492539.

It is an arithmetic number, because the mean of its divisors is an integer number (47518959150).

Almost surely, 2^{1555454142152} is an apocalyptic number.

It is an amenable number.

1555454142152 is a deficient number, since it is larger than the sum of its proper divisors (1485759243448).

1555454142152 is a wasteful number, since it uses less digits than its factorization.

1555454142152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478326 (or 478322 counting only the distinct ones).

The product of its digits is 800000, while the sum is 44.

The spelling of 1555454142152 in words is "one trillion, five hundred fifty-five billion, four hundred fifty-four million, one hundred forty-two thousand, one hundred fifty-two".