10121025015 has 48 divisors (see below), whose sum is σ = 17747683200. Its totient is φ = 5335282176.

The previous prime is 10121025011. The next prime is 10121025017. The reversal of 10121025015 is 51052012101.

It is not a de Polignac number, because 10121025015 - 2² = 10121025011 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10121025011) 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 47 ways as a sum of consecutive naturals, for example, 1470001 + ... + 1476869.

It is an arithmetic number, because the mean of its divisors is an integer number (369743400).

Almost surely, 2^10121025015 is an apocalyptic number.

10121025015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10121025015 is a deficient number, since it is larger than the sum of its proper divisors (7626658185).

10121025015 is a wasteful number, since it uses less digits than its factorization.

10121025015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7256 (or 7253 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 18.

Adding to 10121025015 its reverse (51052012101), we get a palindrome (61173037116).

The spelling of 10121025015 in words is "ten billion, one hundred twenty-one million, twenty-five thousand, fifteen".