100455261506 has 4 divisors (see below), whose sum is σ = 150682892262. Its totient is φ = 50227630752.

The previous prime is 100455261499. The next prime is 100455261523. The reversal of 100455261506 is 605162554001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 73693246225 + 26762015281 = 271465^2 + 163591^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25113815375 + ... + 25113815378.

Almost surely, 2^100455261506 is an apocalyptic number.

100455261506 is a deficient number, since it is larger than the sum of its proper divisors (50227630756).

100455261506 is an equidigital number, since it uses as much as digits as its factorization.

100455261506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50227630755.

The product of its (nonzero) digits is 36000, while the sum is 35.

The spelling of 100455261506 in words is "one hundred billion, four hundred fifty-five million, two hundred sixty-one thousand, five hundred six".