15291135109064 has 16 divisors (see below), whose sum is σ = 28670983812720. Its totient is φ = 7645539425680.

The previous prime is 15291135109057. The next prime is 15291135109069. The reversal of 15291135109064 is 46090153119251.

It is not an unprimeable number, because it can be changed into a prime (15291135109069) 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, 1108814 + ... + 5640189.

It is an arithmetic number, because the mean of its divisors is an integer number (1791936488295).

Almost surely, 2^{15291135109064} is an apocalyptic number.

It is an amenable number.

15291135109064 is a deficient number, since it is larger than the sum of its proper divisors (13379848703656).

15291135109064 is a wasteful number, since it uses less digits than its factorization.

15291135109064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7032220 (or 7032216 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 47.

The spelling of 15291135109064 in words is "fifteen trillion, two hundred ninety-one billion, one hundred thirty-five million, one hundred nine thousand, sixty-four".