16115451413 has 16 divisors (see below), whose sum is σ = 16559769600. Its totient is φ = 15676926720.

The previous prime is 16115451371. The next prime is 16115451439. The reversal of 16115451413 is 31415451161.

It is a cyclic number.

It is not a de Polignac number, because 16115451413 - 2¹² = 16115447317 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 16115451413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16115451013) 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, 3050108 + ... + 3055386.

It is an arithmetic number, because the mean of its divisors is an integer number (1034985600).

Almost surely, 2^16115451413 is an apocalyptic number.

It is an amenable number.

16115451413 is a deficient number, since it is larger than the sum of its proper divisors (444318187).

16115451413 is a wasteful number, since it uses less digits than its factorization.

16115451413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5812.

The product of its digits is 7200, while the sum is 32.

The spelling of 16115451413 in words is "sixteen billion, one hundred fifteen million, four hundred fifty-one thousand, four hundred thirteen".