2015145512986 has 8 divisors (see below), whose sum is σ = 3026628644724. Its totient is φ = 1006269298080.

The previous prime is 2015145512981. The next prime is 2015145512987. The reversal of 2015145512986 is 6892155415102.

It can be written as a sum of positive squares in 2 ways, for example, as 2010114306225 + 5031206761 = 1417785^2 + 70931^2 .

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

It is a super-2 number, since 2×2015145512986² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2015145512981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 651727275 + ... + 651730366.

Almost surely, 2^{2015145512986} is an apocalyptic number.

2015145512986 is a deficient number, since it is larger than the sum of its proper divisors (1011483131738).

2015145512986 is a wasteful number, since it uses less digits than its factorization.

2015145512986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1303458416.

The product of its (nonzero) digits is 864000, while the sum is 49.

The spelling of 2015145512986 in words is "two trillion, fifteen billion, one hundred forty-five million, five hundred twelve thousand, nine hundred eighty-six".