15230891516 has 6 divisors (see below), whose sum is σ = 26654060160. Its totient is φ = 7615445756.

The previous prime is 15230891509. The next prime is 15230891531. The reversal of 15230891516 is 61519803251.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1903861436 + ... + 1903861443.

It is an arithmetic number, because the mean of its divisors is an integer number (4442343360).

Almost surely, 2^15230891516 is an apocalyptic number.

It is an amenable number.

15230891516 is a deficient number, since it is larger than the sum of its proper divisors (11423168644).

15230891516 is a wasteful number, since it uses less digits than its factorization.

15230891516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3807722883 (or 3807722881 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 41.

The spelling of 15230891516 in words is "fifteen billion, two hundred thirty million, eight hundred ninety-one thousand, five hundred sixteen".