15351002042 has 8 divisors (see below), whose sum is σ = 23820520500. Its totient is φ = 7410828544.

The previous prime is 15351001997. The next prime is 15351002083. The reversal of 15351002042 is 24020015351.

It can be written as a sum of positive squares in 2 ways, for example, as 14217939121 + 1133062921 = 119239^2 + 33661^2 .

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 = 15351001999 and 15351002017.

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, 132336167 + ... + 132336282.

Almost surely, 2^15351002042 is an apocalyptic number.

15351002042 is a deficient number, since it is larger than the sum of its proper divisors (8469518458).

15351002042 is a wasteful number, since it uses less digits than its factorization.

15351002042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264672480.

The product of its (nonzero) digits is 1200, while the sum is 23.

Adding to 15351002042 its reverse (24020015351), we get a palindrome (39371017393).

The spelling of 15351002042 in words is "fifteen billion, three hundred fifty-one million, two thousand, forty-two".