2220527521551 has 4 divisors (see below), whose sum is σ = 2960703362072. Its totient is φ = 1480351681032.

The previous prime is 2220527521489. The next prime is 2220527521559. The reversal of 2220527521551 is 1551257250222.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2220527521551 - 2²¹ = 2220525424399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220527521559) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 370087920256 + ... + 370087920261.

It is an arithmetic number, because the mean of its divisors is an integer number (740175840518).

Almost surely, 2^{2220527521551} is an apocalyptic number.

2220527521551 is a deficient number, since it is larger than the sum of its proper divisors (740175840521).

2220527521551 is an equidigital number, since it uses as much as digits as its factorization.

2220527521551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740175840520.

The product of its (nonzero) digits is 140000, while the sum is 39.

The spelling of 2220527521551 in words is "two trillion, two hundred twenty billion, five hundred twenty-seven million, five hundred twenty-one thousand, five hundred fifty-one".