611402463455 has 24 divisors (see below), whose sum is σ = 853993050768. Its totient is φ = 418989449088.

The previous prime is 611402463433. The next prime is 611402463457. The reversal of 611402463455 is 554364204116.

It is not a de Polignac number, because 611402463455 - 2²² = 611398269151 is a prime.

It is a super-2 number, since 2×611402463455² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (611402463457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 368294 + ... + 1165523.

It is an arithmetic number, because the mean of its divisors is an integer number (35583043782).

Almost surely, 2^611402463455 is an apocalyptic number.

611402463455 is a deficient number, since it is larger than the sum of its proper divisors (242590587313).

611402463455 is a wasteful number, since it uses less digits than its factorization.

611402463455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1535463 (or 1535456 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 41.

The spelling of 611402463455 in words is "six hundred eleven billion, four hundred two million, four hundred sixty-three thousand, four hundred fifty-five".