15210061064 has 64 divisors (see below), whose sum is σ = 31681428480. Its totient is φ = 6844728000.

The previous prime is 15210061057. The next prime is 15210061067. The reversal of 15210061064 is 46016001251.

It is not an unprimeable number, because it can be changed into a prime (15210061067) 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, 1068377 + ... + 1082519.

It is an arithmetic number, because the mean of its divisors is an integer number (495022320).

Almost surely, 2^15210061064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15210061064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15840714240).

15210061064 is an abundant number, since it is smaller than the sum of its proper divisors (16471367416).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15210061064 is a wasteful number, since it uses less digits than its factorization.

15210061064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14283 (or 14257 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The spelling of 15210061064 in words is "fifteen billion, two hundred ten million, sixty-one thousand, sixty-four".