2541911610061 has 4 divisors (see below), whose sum is σ = 2555082136732. Its totient is φ = 2528741083392.

The previous prime is 2541911610019. The next prime is 2541911610097. The reversal of 2541911610061 is 1600161191452.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1224021386025 + 1317890224036 = 1106355^2 + 1147994^2 .

It is a cyclic number.

It is not a de Polignac number, because 2541911610061 - 2¹⁷ = 2541911478989 is a prime.

It is a super-2 number, since 2×2541911610061² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2541911610061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2541911611061) 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, 6585263046 + ... + 6585263431.

It is an arithmetic number, because the mean of its divisors is an integer number (638770534183).

Almost surely, 2^{2541911610061} is an apocalyptic number.

It is an amenable number.

2541911610061 is a deficient number, since it is larger than the sum of its proper divisors (13170526671).

2541911610061 is a wasteful number, since it uses less digits than its factorization.

2541911610061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13170526670.

The product of its (nonzero) digits is 12960, while the sum is 37.

The spelling of 2541911610061 in words is "two trillion, five hundred forty-one billion, nine hundred eleven million, six hundred ten thousand, sixty-one".