101368551 has 4 divisors (see below), whose sum is σ = 135158072. Its totient is φ = 67579032.

The previous prime is 101368537. The next prime is 101368573. The reversal of 101368551 is 155863101.

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

It is not a de Polignac number, because 101368551 - 2¹⁵ = 101335783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101368511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16894756 + ... + 16894761.

It is an arithmetic number, because the mean of its divisors is an integer number (33789518).

Almost surely, 2^101368551 is an apocalyptic number.

101368551 is a deficient number, since it is larger than the sum of its proper divisors (33789521).

101368551 is an equidigital number, since it uses as much as digits as its factorization.

101368551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33789520.

The product of its (nonzero) digits is 3600, while the sum is 30.

The square root of 101368551 is about 10068.1950219491. The cubic root of 101368551 is about 466.2667138409.

The spelling of 101368551 in words is "one hundred one million, three hundred sixty-eight thousand, five hundred fifty-one".