1025023006155 has 16 divisors (see below), whose sum is σ = 1642712251680. Its totient is φ = 545787122688.

The previous prime is 1025023006123. The next prime is 1025023006199. The reversal of 1025023006155 is 5516003205201.

It is a happy number.

It is not a de Polignac number, because 1025023006155 - 2⁵ = 1025023006123 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55728870 + ... + 55747259.

It is an arithmetic number, because the mean of its divisors is an integer number (102669515730).

Almost surely, 2^{1025023006155} is an apocalyptic number.

1025023006155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1025023006155 is a deficient number, since it is larger than the sum of its proper divisors (617689245525).

1025023006155 is a wasteful number, since it uses less digits than its factorization.

1025023006155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111476750.

The product of its (nonzero) digits is 9000, while the sum is 30.

The spelling of 1025023006155 in words is "one trillion, twenty-five billion, twenty-three million, six thousand, one hundred fifty-five".