611042263531 has 8 divisors (see below), whose sum is σ = 698403013344. Its totient is φ = 523698763200.

The previous prime is 611042263523. The next prime is 611042263577. The reversal of 611042263531 is 135362240116.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 611042263531 - 2³ = 611042263523 is a prime.

It is a super-2 number, since 2×611042263531² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (611042263511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4236370 + ... + 4378231.

It is an arithmetic number, because the mean of its divisors is an integer number (87300376668).

Almost surely, 2^611042263531 is an apocalyptic number.

611042263531 is a deficient number, since it is larger than the sum of its proper divisors (87360749813).

611042263531 is a wasteful number, since it uses less digits than its factorization.

611042263531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8624741.

The product of its (nonzero) digits is 25920, while the sum is 34.

The spelling of 611042263531 in words is "six hundred eleven billion, forty-two million, two hundred sixty-three thousand, five hundred thirty-one".