611601243542 has 8 divisors (see below), whose sum is σ = 917893248456. Its totient is φ = 305636827392.

The previous prime is 611601243481. The next prime is 611601243613. The reversal of 611601243542 is 245342106116.

611601243542 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×611601243542² (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, 81892523 + ... + 81899990.

It is an arithmetic number, because the mean of its divisors is an integer number (114736656057).

Almost surely, 2^611601243542 is an apocalyptic number.

611601243542 is a deficient number, since it is larger than the sum of its proper divisors (306292004914).

611601243542 is a wasteful number, since it uses less digits than its factorization.

611601243542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163794382.

The product of its (nonzero) digits is 34560, while the sum is 35.

Adding to 611601243542 its reverse (245342106116), we get a palindrome (856943349658).

The spelling of 611601243542 in words is "six hundred eleven billion, six hundred one million, two hundred forty-three thousand, five hundred forty-two".