100245551505 has 32 divisors (see below), whose sum is σ = 175159093248. Its totient is φ = 48552504000.

The previous prime is 100245551489. The next prime is 100245551519. The reversal of 100245551505 is 505155542001.

It is not a de Polignac number, because 100245551505 - 2⁴ = 100245551489 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 164521 + ... + 477030.

It is an arithmetic number, because the mean of its divisors is an integer number (5473721664).

Almost surely, 2^100245551505 is an apocalyptic number.

100245551505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

100245551505 is a deficient number, since it is larger than the sum of its proper divisors (74913541743).

100245551505 is a wasteful number, since it uses less digits than its factorization.

100245551505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642517.

The product of its (nonzero) digits is 25000, while the sum is 33.

The spelling of 100245551505 in words is "one hundred billion, two hundred forty-five million, five hundred fifty-one thousand, five hundred five".