15805148030 has 32 divisors (see below), whose sum is σ = 34426005696. Its totient is φ = 5100148224.

The previous prime is 15805148003. The next prime is 15805148057. The reversal of 15805148030 is 3084150851.

It is an interprime number because it is at equal distance from previous prime (15805148003) and next prime (15805148057).

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6639629 + ... + 6642008.

It is an arithmetic number, because the mean of its divisors is an integer number (1075812678).

Almost surely, 2^15805148030 is an apocalyptic number.

15805148030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15805148030 is an abundant number, since it is smaller than the sum of its proper divisors (18620857666).

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

15805148030 is a wasteful number, since it uses less digits than its factorization.

15805148030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13281668.

The product of its (nonzero) digits is 19200, while the sum is 35.

Adding to 15805148030 its reverse (3084150851), we get a palindrome (18889298881).

The spelling of 15805148030 in words is "fifteen billion, eight hundred five million, one hundred forty-eight thousand, thirty".