13315070550 has 24 divisors (see below), whose sum is σ = 33021375336. Its totient is φ = 3550685440.

The previous prime is 13315070543. The next prime is 13315070567. The reversal of 13315070550 is 5507051331.

It is a super-2 number, since 2×13315070550² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44383419 + ... + 44383718.

It is an arithmetic number, because the mean of its divisors is an integer number (1375890639).

Almost surely, 2^13315070550 is an apocalyptic number.

13315070550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13315070550 is an abundant number, since it is smaller than the sum of its proper divisors (19706304786).

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

13315070550 is a wasteful number, since it uses less digits than its factorization.

13315070550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88767152 (or 88767147 counting only the distinct ones).

The product of its (nonzero) digits is 7875, while the sum is 30.

The spelling of 13315070550 in words is "thirteen billion, three hundred fifteen million, seventy thousand, five hundred fifty".