1050101156661 has 16 divisors (see below), whose sum is σ = 1406222737920. Its totient is φ = 697023843840.

The previous prime is 1050101156591. The next prime is 1050101156681. The reversal of 1050101156661 is 1666511010501.

It is not a de Polignac number, because 1050101156661 - 2²² = 1050096962357 is a prime.

It is a super-2 number, since 2×1050101156661² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1050101156681) 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, 17976381 + ... + 18034701.

It is an arithmetic number, because the mean of its divisors is an integer number (87888921120).

Almost surely, 2^{1050101156661} is an apocalyptic number.

It is an amenable number.

1050101156661 is a deficient number, since it is larger than the sum of its proper divisors (356121581259).

1050101156661 is a wasteful number, since it uses less digits than its factorization.

1050101156661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84316.

The product of its (nonzero) digits is 5400, while the sum is 33.

The spelling of 1050101156661 in words is "one trillion, fifty billion, one hundred one million, one hundred fifty-six thousand, six hundred sixty-one".