1023225131515 has 8 divisors (see below), whose sum is σ = 1227907242720. Its totient is φ = 818555381952.

The previous prime is 1023225131497. The next prime is 1023225131519. The reversal of 1023225131515 is 5151315223201.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1023225131515 - 2³⁵ = 988865393147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1023225131519) 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, 2907319 + ... + 3240208.

It is an arithmetic number, because the mean of its divisors is an integer number (153488405340).

Almost surely, 2^{1023225131515} is an apocalyptic number.

1023225131515 is a deficient number, since it is larger than the sum of its proper divisors (204682111205).

1023225131515 is an equidigital number, since it uses as much as digits as its factorization.

1023225131515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6180821.

The product of its (nonzero) digits is 9000, while the sum is 31.

The spelling of 1023225131515 in words is "one trillion, twenty-three billion, two hundred twenty-five million, one hundred thirty-one thousand, five hundred fifteen".