1517142712 has 32 divisors (see below), whose sum is σ = 2909166480. Its totient is φ = 741519360.

The previous prime is 1517142701. The next prime is 1517142793. The reversal of 1517142712 is 2172417151.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70008 + ... + 89080.

Almost surely, 2^1517142712 is an apocalyptic number.

It is an amenable number.

1517142712 is a deficient number, since it is larger than the sum of its proper divisors (1392023768).

1517142712 is a wasteful number, since it uses less digits than its factorization.

1517142712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19303 (or 19299 counting only the distinct ones).

The product of its digits is 3920, while the sum is 31.

The square root of 1517142712 is about 38950.5161968362. The cubic root of 1517142712 is about 1149.0585141196.

Adding to 1517142712 its reverse (2172417151), we get a palindrome (3689559863).

The spelling of 1517142712 in words is "one billion, five hundred seventeen million, one hundred forty-two thousand, seven hundred twelve".