101055551099 has 16 divisors (see below), whose sum is σ = 108403190784. Its totient is φ = 93970747200.

The previous prime is 101055551039. The next prime is 101055551131. The reversal of 101055551099 is 990155550101.

It is a cyclic number.

It is not a de Polignac number, because 101055551099 - 2²⁴ = 101038773883 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is not an unprimeable number, because it can be changed into a prime (101055551039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77534 + ... + 456204.

It is an arithmetic number, because the mean of its divisors is an integer number (6775199424).

Almost surely, 2^101055551099 is an apocalyptic number.

101055551099 is a deficient number, since it is larger than the sum of its proper divisors (7347639685).

101055551099 is a wasteful number, since it uses less digits than its factorization.

101055551099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379018.

The product of its (nonzero) digits is 50625, while the sum is 41.

The spelling of 101055551099 in words is "one hundred one billion, fifty-five million, five hundred fifty-one thousand, ninety-nine".