620089261155 has 96 divisors (see below), whose sum is σ = 1323094980480. Its totient is φ = 261616988160.

The previous prime is 620089261123. The next prime is 620089261159. The reversal of 620089261155 is 551162980026.

620089261155 is a `hidden beast` number, since 6 + 20 + 0 + 8 + 9 + 2 + 611 + 5 + 5 = 666.

It is not a de Polignac number, because 620089261155 - 2⁵ = 620089261123 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 620089261155.

It is not an unprimeable number, because it can be changed into a prime (620089261159) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 31886235 + ... + 31905675.

It is an arithmetic number, because the mean of its divisors is an integer number (13782239380).

Almost surely, 2^620089261155 is an apocalyptic number.

620089261155 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

620089261155 is an abundant number, since it is smaller than the sum of its proper divisors (703005719325).

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

620089261155 is a wasteful number, since it uses less digits than its factorization.

620089261155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27261 (or 27258 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 45.

The spelling of 620089261155 in words is "six hundred twenty billion, eighty-nine million, two hundred sixty-one thousand, one hundred fifty-five".