16115605131 has 8 divisors (see below), whose sum is σ = 21549043600. Its totient is φ = 10712951712.

The previous prime is 16115605097. The next prime is 16115605153. The reversal of 16115605131 is 13150651161.

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

It is not a de Polignac number, because 16115605131 - 2¹⁸ = 16115342987 is a prime.

It is a super-2 number, since 2×16115605131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16115625131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7695040 + ... + 7697133.

It is an arithmetic number, because the mean of its divisors is an integer number (2693630450).

Almost surely, 2^16115605131 is an apocalyptic number.

16115605131 is a deficient number, since it is larger than the sum of its proper divisors (5433438469).

16115605131 is a wasteful number, since it uses less digits than its factorization.

16115605131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15392525.

The product of its (nonzero) digits is 2700, while the sum is 30.

The spelling of 16115605131 in words is "sixteen billion, one hundred fifteen million, six hundred five thousand, one hundred thirty-one".