61541413611 has 16 divisors (see below), whose sum is σ = 87264374400. Its totient is φ = 38467554048.

The previous prime is 61541413603. The next prime is 61541413673. The reversal of 61541413611 is 11631414516.

It is not a de Polignac number, because 61541413611 - 2³ = 61541413603 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61541413511) 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, 5559801 + ... + 5570858.

It is an arithmetic number, because the mean of its divisors is an integer number (5454023400).

Almost surely, 2^61541413611 is an apocalyptic number.

61541413611 is a deficient number, since it is larger than the sum of its proper divisors (25722960789).

61541413611 is a wasteful number, since it uses less digits than its factorization.

61541413611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11130778.

The product of its digits is 8640, while the sum is 33.

The spelling of 61541413611 in words is "sixty-one billion, five hundred forty-one million, four hundred thirteen thousand, six hundred eleven".