10105015512 has 48 divisors (see below), whose sum is σ = 25683694920. Its totient is φ = 3313090560.

The previous prime is 10105015507. The next prime is 10105015567. The reversal of 10105015512 is 21551050101.

It is a super-2 number, since 2×10105015512² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32728 + ... + 145880.

Almost surely, 2^10105015512 is an apocalyptic number.

10105015512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10105015512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12841847460).

10105015512 is an abundant number, since it is smaller than the sum of its proper divisors (15578679408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10105015512 is a wasteful number, since it uses less digits than its factorization.

10105015512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113284 (or 113219 counting only the distinct ones).

The product of its (nonzero) digits is 250, while the sum is 21.

Adding to 10105015512 its reverse (21551050101), we get a palindrome (31656065613).

The spelling of 10105015512 in words is "ten billion, one hundred five million, fifteen thousand, five hundred twelve".