1512253445642 has 8 divisors (see below), whose sum is σ = 2286241430016. Its totient is φ = 750172968972.

The previous prime is 1512253445627. The next prime is 1512253445687. The reversal of 1512253445642 is 2465443522151.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1512253445642² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1512253445593 and 1512253445602.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2976876608 + ... + 2976877115.

It is an arithmetic number, because the mean of its divisors is an integer number (285780178752).

Almost surely, 2^{1512253445642} is an apocalyptic number.

1512253445642 is a deficient number, since it is larger than the sum of its proper divisors (773987984374).

1512253445642 is a wasteful number, since it uses less digits than its factorization.

1512253445642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5953753852.

The product of its digits is 1152000, while the sum is 44.

Adding to 1512253445642 its reverse (2465443522151), we get a palindrome (3977696967793).

The spelling of 1512253445642 in words is "one trillion, five hundred twelve billion, two hundred fifty-three million, four hundred forty-five thousand, six hundred forty-two".