41154105377861 has 12 divisors (see below), whose sum is σ = 47873367509868. Its totient is φ = 35274782031552.

The previous prime is 41154105377843. The next prime is 41154105377863. The reversal of 41154105377861 is 16877350145114.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5602925702500 + 35551179675361 = 2367050^2 + 5962481^2 .

It is a de Polignac number, because none of the positive numbers 2^k-41154105377861 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 (41154105377863) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9228275 + ... + 12940991.

It is an arithmetic number, because the mean of its divisors is an integer number (3989447292489).

Almost surely, 2^{41154105377861} is an apocalyptic number.

It is an amenable number.

41154105377861 is a deficient number, since it is larger than the sum of its proper divisors (6719262132007).

41154105377861 is a wasteful number, since it uses less digits than its factorization.

41154105377861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3938948 (or 3938941 counting only the distinct ones).

The product of its (nonzero) digits is 2822400, while the sum is 53.

The spelling of 41154105377861 in words is "forty-one trillion, one hundred fifty-four billion, one hundred five million, three hundred seventy-seven thousand, eight hundred sixty-one".