11620555255 has 8 divisors (see below), whose sum is σ = 13945272624. Its totient is φ = 9296040000.

The previous prime is 11620555231. The next prime is 11620555267. The reversal of 11620555255 is 55255502611.

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

It is not a de Polignac number, because 11620555255 - 2⁵ = 11620555223 is a prime.

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, 144180 + ... + 209830.

It is an arithmetic number, because the mean of its divisors is an integer number (1743159078).

Almost surely, 2^11620555255 is an apocalyptic number.

11620555255 is a deficient number, since it is larger than the sum of its proper divisors (2324717369).

11620555255 is an equidigital number, since it uses as much as digits as its factorization.

11620555255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101057.

The product of its (nonzero) digits is 75000, while the sum is 37.

The spelling of 11620555255 in words is "eleven billion, six hundred twenty million, five hundred fifty-five thousand, two hundred fifty-five".