15128153990 has 16 divisors (see below), whose sum is σ = 27270911952. Its totient is φ = 6042320544.

The previous prime is 15128153983. The next prime is 15128154001. The reversal of 15128153990 is 9935182151.

It is a super-2 number, since 2×15128153990² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1110524 + ... + 1124063.

It is an arithmetic number, because the mean of its divisors is an integer number (1704431997).

Almost surely, 2^15128153990 is an apocalyptic number.

15128153990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15128153990 is a deficient number, since it is larger than the sum of its proper divisors (12142757962).

15128153990 is a wasteful number, since it uses less digits than its factorization.

15128153990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2235271.

The product of its (nonzero) digits is 97200, while the sum is 44.

The spelling of 15128153990 in words is "fifteen billion, one hundred twenty-eight million, one hundred fifty-three thousand, nine hundred ninety".