1025001023215 has 16 divisors (see below), whose sum is σ = 1325649251808. Its totient is φ = 756333806976.

The previous prime is 1025001023197. The next prime is 1025001023219. The reversal of 1025001023215 is 5123201005201.

It is a cyclic number.

It is not a de Polignac number, because 1025001023215 - 2²⁵ = 1024967468783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025001023219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6062064 + ... + 6228853.

It is an arithmetic number, because the mean of its divisors is an integer number (82853078238).

Almost surely, 2^{1025001023215} is an apocalyptic number.

1025001023215 is a deficient number, since it is larger than the sum of its proper divisors (300648228593).

1025001023215 is a wasteful number, since it uses less digits than its factorization.

1025001023215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12292218.

The product of its (nonzero) digits is 600, while the sum is 22.

Adding to 1025001023215 its reverse (5123201005201), we get a palindrome (6148202028416).

The spelling of 1025001023215 in words is "one trillion, twenty-five billion, one million, twenty-three thousand, two hundred fifteen".