2742520120605 has 12 divisors (see below), whose sum is σ = 4753701542460. Its totient is φ = 1462677397632.

The previous prime is 2742520120583. The next prime is 2742520120631. The reversal of 2742520120605 is 5060210252472.

2742520120605 is a `hidden beast` number, since 2 + 7 + 4 + 2 + 5 + 20 + 1 + 20 + 605 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1256824850724 + 1485695269881 = 1121082^2 + 1218891^2 .

It is not a de Polignac number, because 2742520120605 - 2¹⁶ = 2742520055069 is a prime.

It is a super-2 number, since 2×2742520120605² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2742520120605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30472445740 + ... + 30472445829.

It is an arithmetic number, because the mean of its divisors is an integer number (396141795205).

Almost surely, 2^{2742520120605} is an apocalyptic number.

It is an amenable number.

2742520120605 is a deficient number, since it is larger than the sum of its proper divisors (2011181421855).

2742520120605 is a wasteful number, since it uses less digits than its factorization.

2742520120605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60944891580 (or 60944891577 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The spelling of 2742520120605 in words is "two trillion, seven hundred forty-two billion, five hundred twenty million, one hundred twenty thousand, six hundred five".