101166150551 has 4 divisors (see below), whose sum is σ = 101167141272. Its totient is φ = 101165159832.

The previous prime is 101166150539. The next prime is 101166150559. The reversal of 101166150551 is 155051661101.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101166150551 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 (101166150559) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 321956 + ... + 553161.

It is an arithmetic number, because the mean of its divisors is an integer number (25291785318).

Almost surely, 2^101166150551 is an apocalyptic number.

101166150551 is a deficient number, since it is larger than the sum of its proper divisors (990721).

101166150551 is an equidigital number, since it uses as much as digits as its factorization.

101166150551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 990720.

The product of its (nonzero) digits is 4500, while the sum is 32.

The spelling of 101166150551 in words is "one hundred one billion, one hundred sixty-six million, one hundred fifty thousand, five hundred fifty-one".