105087989013 has 24 divisors (see below), whose sum is σ = 163005905952. Its totient is φ = 60045751584.

The previous prime is 105087988933. The next prime is 105087989057. The reversal of 105087989013 is 310989780501.

It is not a de Polignac number, because 105087989013 - 2¹² = 105087984917 is a prime.

It is a super-2 number, since 2×105087989013² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105087988013) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3447706 + ... + 3478052.

It is an arithmetic number, because the mean of its divisors is an integer number (6791912748).

Almost surely, 2^105087989013 is an apocalyptic number.

It is an amenable number.

105087989013 is a deficient number, since it is larger than the sum of its proper divisors (57917916939).

105087989013 is a wasteful number, since it uses less digits than its factorization.

105087989013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53921 (or 53914 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 51.

The spelling of 105087989013 in words is "one hundred five billion, eighty-seven million, nine hundred eighty-nine thousand, thirteen".