15513416461 has 16 divisors (see below), whose sum is σ = 16011072000. Its totient is φ = 15022381248.

The previous prime is 15513416447. The next prime is 15513416509. The reversal of 15513416461 is 16461431551.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15513416461 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 15513416461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15513416431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3887055 + ... + 3891043.

It is an arithmetic number, because the mean of its divisors is an integer number (1000692000).

Almost surely, 2^15513416461 is an apocalyptic number.

It is an amenable number.

15513416461 is a deficient number, since it is larger than the sum of its proper divisors (497655539).

15513416461 is a wasteful number, since it uses less digits than its factorization.

15513416461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4788.

The product of its digits is 43200, while the sum is 37.

The spelling of 15513416461 in words is "fifteen billion, five hundred thirteen million, four hundred sixteen thousand, four hundred sixty-one".