611077574082381 has 64 divisors (see below), whose sum is σ = 952064120125440. Its totient is φ = 341442739630080.

The previous prime is 611077574082359. The next prime is 611077574082383. The reversal of 611077574082381 is 183280475770116.

It is a happy number.

It is not a de Polignac number, because 611077574082381 - 2⁹ = 611077574081869 is a prime.

It is a super-2 number, since 2×611077574082381² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (611077574082383) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 235660486 + ... + 238239416.

It is an arithmetic number, because the mean of its divisors is an integer number (14876001876960).

Almost surely, 2^{611077574082381} is an apocalyptic number.

It is an amenable number.

611077574082381 is a deficient number, since it is larger than the sum of its proper divisors (340986546043059).

611077574082381 is a wasteful number, since it uses less digits than its factorization.

611077574082381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2580434.

The product of its (nonzero) digits is 15805440, while the sum is 60.

The spelling of 611077574082381 in words is "six hundred eleven trillion, seventy-seven billion, five hundred seventy-four million, eighty-two thousand, three hundred eighty-one".