1512530390428 has 12 divisors (see below), whose sum is σ = 2678818884840. Its totient is φ = 747153566192.

The previous prime is 1512530390339. The next prime is 1512530390471. The reversal of 1512530390428 is 8240930352151.

It is a happy number.

It is a super-2 number, since 2×1512530390428² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2277906883 + ... + 2277907546.

It is an arithmetic number, because the mean of its divisors is an integer number (223234907070).

Almost surely, 2^{1512530390428} is an apocalyptic number.

It is an amenable number.

1512530390428 is a deficient number, since it is larger than the sum of its proper divisors (1166288494412).

1512530390428 is a wasteful number, since it uses less digits than its factorization.

1512530390428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4555814516 (or 4555814514 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 43.

The spelling of 1512530390428 in words is "one trillion, five hundred twelve billion, five hundred thirty million, three hundred ninety thousand, four hundred twenty-eight".