1015320423051 has 16 divisors (see below), whose sum is σ = 1640921896320. Its totient is φ = 615345710760.

The previous prime is 1015320423017. The next prime is 1015320423077. The reversal of 1015320423051 is 1503240235101.

1015320423051 is a `hidden beast` number, since 1 + 0 + 153 + 204 + 2 + 305 + 1 = 666.

It is not a de Polignac number, because 1015320423051 - 2¹³ = 1015320414859 is a prime.

It is a super-2 number, since 2×1015320423051² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1015320423251) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1709293345 + ... + 1709293938.

It is an arithmetic number, because the mean of its divisors is an integer number (102557618520).

Almost surely, 2^{1015320423051} is an apocalyptic number.

1015320423051 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1015320423051 is a deficient number, since it is larger than the sum of its proper divisors (625601473269).

1015320423051 is a wasteful number, since it uses less digits than its factorization.

1015320423051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3418587303 (or 3418587297 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 1015320423051 its reverse (1503240235101), we get a palindrome (2518560658152).

The spelling of 1015320423051 in words is "one trillion, fifteen billion, three hundred twenty million, four hundred twenty-three thousand, fifty-one".