611253420454 has 8 divisors (see below), whose sum is σ = 920815239240. Its totient is φ = 304315007376.

The previous prime is 611253420443. The next prime is 611253420473. The reversal of 611253420454 is 454024352116.

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

It is a super-2 number, since 2×611253420454² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 655850844 + ... + 655851775.

It is an arithmetic number, because the mean of its divisors is an integer number (115101904905).

Almost surely, 2^611253420454 is an apocalyptic number.

611253420454 is a deficient number, since it is larger than the sum of its proper divisors (309561818786).

611253420454 is a wasteful number, since it uses less digits than its factorization.

611253420454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1311702854.

The product of its (nonzero) digits is 115200, while the sum is 37.

The spelling of 611253420454 in words is "six hundred eleven billion, two hundred fifty-three million, four hundred twenty thousand, four hundred fifty-four".