611402136454 has 16 divisors (see below), whose sum is σ = 918658749456. Its totient is φ = 305182944000.

The previous prime is 611402136437. The next prime is 611402136463. The reversal of 611402136454 is 454631204116.

It is a congruent number.

It is an unprimeable number.

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, 3077029 + ... + 3269695.

It is an arithmetic number, because the mean of its divisors is an integer number (57416171841).

Almost surely, 2^611402136454 is an apocalyptic number.

611402136454 is a deficient number, since it is larger than the sum of its proper divisors (307256613002).

611402136454 is a wasteful number, since it uses less digits than its factorization.

611402136454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195351.

The product of its (nonzero) digits is 69120, while the sum is 37.

The spelling of 611402136454 in words is "six hundred eleven billion, four hundred two million, one hundred thirty-six thousand, four hundred fifty-four".