100545321415 has 48 divisors (see below), whose sum is σ = 158051672064. Its totient is φ = 60655694400.

The previous prime is 100545321391. The next prime is 100545321439. The reversal of 100545321415 is 514123545001.

It is an interprime number because it is at equal distance from previous prime (100545321391) and next prime (100545321439).

It is not a de Polignac number, because 100545321415 - 2⁷ = 100545321287 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 518199 + ... + 685288.

It is an arithmetic number, because the mean of its divisors is an integer number (3292743168).

Almost surely, 2^100545321415 is an apocalyptic number.

100545321415 is a deficient number, since it is larger than the sum of its proper divisors (57506350649).

100545321415 is a wasteful number, since it uses less digits than its factorization.

100545321415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1203548 (or 1203541 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 31.

Adding to 100545321415 its reverse (514123545001), we get a palindrome (614668866416).

The spelling of 100545321415 in words is "one hundred billion, five hundred forty-five million, three hundred twenty-one thousand, four hundred fifteen".