105494626587 has 90 divisors (see below), whose sum is σ = 169906676892. Its totient is φ = 58219140672.

The previous prime is 105494626579. The next prime is 105494626597. The reversal of 105494626587 is 785626494501.

It is not a de Polignac number, because 105494626587 - 2³ = 105494626579 is a prime.

It is a super-2 number, since 2×105494626587² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105494626537) by changing a digit.

It is a polite number, since it can be written in 89 ways as a sum of consecutive naturals, for example, 1185332839 + ... + 1185332927.

Almost surely, 2^105494626587 is an apocalyptic number.

105494626587 is a deficient number, since it is larger than the sum of its proper divisors (64412050305).

105494626587 is an frugal number, since it uses more digits than its factorization.

105494626587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295 (or 142 counting only the distinct ones).

The product of its (nonzero) digits is 14515200, while the sum is 57.

The spelling of 105494626587 in words is "one hundred five billion, four hundred ninety-four million, six hundred twenty-six thousand, five hundred eighty-seven".