1015152310420 has 24 divisors (see below), whose sum is σ = 2131894241064. Its totient is φ = 406046754816.

The previous prime is 1015152310391. The next prime is 1015152310427. The reversal of 1015152310420 is 240132515101.

It can be written as a sum of positive squares in 4 ways, for example, as 223329966084 + 791822344336 = 472578^2 + 889844^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1015152310427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 288277 + ... + 1453756.

It is an arithmetic number, because the mean of its divisors is an integer number (88828926711).

Almost surely, 2^{1015152310420} is an apocalyptic number.

1015152310420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1015152310420 is an abundant number, since it is smaller than the sum of its proper divisors (1116741930644).

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

1015152310420 is a wasteful number, since it uses less digits than its factorization.

1015152310420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1771179 (or 1771177 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 25.

Adding to 1015152310420 its reverse (240132515101), we get a palindrome (1255284825521).

The spelling of 1015152310420 in words is "one trillion, fifteen billion, one hundred fifty-two million, three hundred ten thousand, four hundred twenty".