15513460483985 has 8 divisors (see below), whose sum is σ = 18616174463040. Its totient is φ = 12410753799024.

The previous prime is 15513460483921. The next prime is 15513460484023. The reversal of 15513460483985 is 58938406431551.

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

It is a cyclic number.

It is not a de Polignac number, because 15513460483985 - 2⁶ = 15513460483921 is a prime.

It is a super-2 number, since 2×15513460483985² (a number of 27 digits) contains 22 as substring.

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, 5611286 + ... + 7906544.

It is an arithmetic number, because the mean of its divisors is an integer number (2327021807880).

Almost surely, 2^{15513460483985} is an apocalyptic number.

It is an amenable number.

15513460483985 is a deficient number, since it is larger than the sum of its proper divisors (3102713979055).

15513460483985 is a wasteful number, since it uses less digits than its factorization.

15513460483985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3647047.

The product of its (nonzero) digits is 62208000, while the sum is 62.

The spelling of 15513460483985 in words is "fifteen trillion, five hundred thirteen billion, four hundred sixty million, four hundred eighty-three thousand, nine hundred eighty-five".