1315555150 has 144 divisors (see below), whose sum is σ = 3163083264. Its totient is φ = 397837440.

The previous prime is 1315555147. The next prime is 1315555169. The reversal of 1315555150 is 515555131.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1359967 + ... + 1360933.

It is an arithmetic number, because the mean of its divisors is an integer number (21965856).

Almost surely, 2^1315555150 is an apocalyptic number.

1315555150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1315555150 is an abundant number, since it is smaller than the sum of its proper divisors (1847528114).

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

1315555150 is a wasteful number, since it uses less digits than its factorization.

1315555150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1035 (or 1017 counting only the distinct ones).

The product of its (nonzero) digits is 9375, while the sum is 31.

The square root of 1315555150 is about 36270.5824325996. The cubic root of 1315555150 is about 1095.7286560543.

The spelling of 1315555150 in words is "one billion, three hundred fifteen million, five hundred fifty-five thousand, one hundred fifty".