1530181072797 has 32 divisors (see below), whose sum is σ = 2326943146752. Its totient is φ = 886062910464.

The previous prime is 1530181072793. The next prime is 1530181072811. The reversal of 1530181072797 is 7972701810351.

It is not a de Polignac number, because 1530181072797 - 2² = 1530181072793 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1530181072793) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2775243 + ... + 3280599.

It is an arithmetic number, because the mean of its divisors is an integer number (72716973336).

Almost surely, 2^{1530181072797} is an apocalyptic number.

1530181072797 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1530181072797 is a deficient number, since it is larger than the sum of its proper divisors (796762073955).

1530181072797 is a wasteful number, since it uses less digits than its factorization.

1530181072797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509957.

The product of its (nonzero) digits is 740880, while the sum is 51.

The spelling of 1530181072797 in words is "one trillion, five hundred thirty billion, one hundred eighty-one million, seventy-two thousand, seven hundred ninety-seven".