611401253455 has 8 divisors (see below), whose sum is σ = 776839239792. Its totient is φ = 460349179008.

The previous prime is 611401253423. The next prime is 611401253461. The reversal of 611401253455 is 554352104116.

611401253455 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 cyclic number.

It is not a de Polignac number, because 611401253455 - 2⁵ = 611401253423 is a prime.

It is a super-2 number, since 2×611401253455² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3596477877 + ... + 3596478046.

It is an arithmetic number, because the mean of its divisors is an integer number (97104904974).

Almost surely, 2^611401253455 is an apocalyptic number.

611401253455 is a deficient number, since it is larger than the sum of its proper divisors (165437986337).

611401253455 is a wasteful number, since it uses less digits than its factorization.

611401253455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7192955945.

The product of its (nonzero) digits is 72000, while the sum is 37.

The spelling of 611401253455 in words is "six hundred eleven billion, four hundred one million, two hundred fifty-three thousand, four hundred fifty-five".