1535154122042 has 8 divisors (see below), whose sum is σ = 2346178941396. Its totient is φ = 753094474912.

The previous prime is 1535154121997. The next prime is 1535154122057. The reversal of 1535154122042 is 2402214515351.

It can be written as a sum of positive squares in 2 ways, for example, as 1502411581441 + 32742540601 = 1225729^2 + 180949^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 1535154121993 and 1535154122011.

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, 7241292923 + ... + 7241293134.

Almost surely, 2^{1535154122042} is an apocalyptic number.

1535154122042 is a deficient number, since it is larger than the sum of its proper divisors (811024819354).

1535154122042 is a wasteful number, since it uses less digits than its factorization.

1535154122042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14482586112.

The product of its (nonzero) digits is 48000, while the sum is 35.

Adding to 1535154122042 its reverse (2402214515351), we get a palindrome (3937368637393).

The spelling of 1535154122042 in words is "one trillion, five hundred thirty-five billion, one hundred fifty-four million, one hundred twenty-two thousand, forty-two".