100550161503 has 24 divisors (see below), whose sum is σ = 159073963776. Its totient is φ = 60696690000.

The previous prime is 100550161501. The next prime is 100550161541. The reversal of 100550161503 is 305161055001.

100550161503 is a `hidden beast` number, since 1 + 0 + 0 + 5 + 501 + 6 + 150 + 3 = 666.

It is not a de Polignac number, because 100550161503 - 2¹ = 100550161501 is a prime.

It is a super-2 number, since 2×100550161503² (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 (100550161501) 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, 1998375 + ... + 2048072.

It is an arithmetic number, because the mean of its divisors is an integer number (6628081824).

Almost surely, 2^100550161503 is an apocalyptic number.

100550161503 is a deficient number, since it is larger than the sum of its proper divisors (58523802273).

100550161503 is a wasteful number, since it uses less digits than its factorization.

100550161503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4046715 (or 4046712 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 27.

The spelling of 100550161503 in words is "one hundred billion, five hundred fifty million, one hundred sixty-one thousand, five hundred three".