100642791551 has 8 divisors (see below), whose sum is σ = 105945254400. Its totient is φ = 95340876120.

The previous prime is 100642791517. The next prime is 100642791619. The reversal of 100642791551 is 155197246001.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 100642791551 - 2¹⁰ = 100642790527 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100642791499 and 100642791508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100642790551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 271856 + ... + 524586.

It is an arithmetic number, because the mean of its divisors is an integer number (13243156800).

Almost surely, 2^100642791551 is an apocalyptic number.

100642791551 is a deficient number, since it is larger than the sum of its proper divisors (5302462849).

100642791551 is a wasteful number, since it uses less digits than its factorization.

100642791551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273709.

The product of its (nonzero) digits is 75600, while the sum is 41.

The spelling of 100642791551 in words is "one hundred billion, six hundred forty-two million, seven hundred ninety-one thousand, five hundred fifty-one".