100420523552 has 12 divisors (see below), whose sum is σ = 197702905806. Its totient is φ = 50210261760.

The previous prime is 100420523549. The next prime is 100420523561. The reversal of 100420523552 is 255325024001.

It can be written as a sum of positive squares in only one way, i.e., 58639528336 + 41780995216 = 242156^2 + 204404^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1569070649 + ... + 1569070712.

Almost surely, 2^100420523552 is an apocalyptic number.

It is an amenable number.

100420523552 is a deficient number, since it is larger than the sum of its proper divisors (97282382254).

100420523552 is an equidigital number, since it uses as much as digits as its factorization.

100420523552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3138141371 (or 3138141363 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

Adding to 100420523552 its reverse (255325024001), we get a palindrome (355745547553).

The spelling of 100420523552 in words is "one hundred billion, four hundred twenty million, five hundred twenty-three thousand, five hundred fifty-two".