100556135445 has 16 divisors (see below), whose sum is σ = 160894000512. Its totient is φ = 53628544320.

The previous prime is 100556135443. The next prime is 100556135479. The reversal of 100556135445 is 544531655001.

It is not a de Polignac number, because 100556135445 - 2¹ = 100556135443 is a prime.

It is a super-2 number, since 2×100556135445² (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 (100556135441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 800539 + ... + 917591.

It is an arithmetic number, because the mean of its divisors is an integer number (10055875032).

Almost surely, 2^100556135445 is an apocalyptic number.

100556135445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

100556135445 is a deficient number, since it is larger than the sum of its proper divisors (60337865067).

100556135445 is a wasteful number, since it uses less digits than its factorization.

100556135445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174332.

The product of its (nonzero) digits is 180000, while the sum is 39.

The spelling of 100556135445 in words is "one hundred billion, five hundred fifty-six million, one hundred thirty-five thousand, four hundred forty-five".