611402145534 has 12 divisors (see below), whose sum is σ = 1324704648696. Its totient is φ = 203800715172.

The previous prime is 611402145527. The next prime is 611402145587. The reversal of 611402145534 is 435541204116.

611402145534 is a `hidden beast` number, since 6 + 114 + 0 + 2 + 1 + 4 + 5 + 534 = 666.

It is a super-2 number, since 2×611402145534² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 16983392914 + ... + 16983392949.

It is an arithmetic number, because the mean of its divisors is an integer number (110392054058).

Almost surely, 2^611402145534 is an apocalyptic number.

611402145534 is an abundant number, since it is smaller than the sum of its proper divisors (713302503162).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

611402145534 is a wasteful number, since it uses less digits than its factorization.

611402145534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33966785871 (or 33966785868 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The spelling of 611402145534 in words is "six hundred eleven billion, four hundred two million, one hundred forty-five thousand, five hundred thirty-four".