2507655066091 has 8 divisors (see below), whose sum is σ = 2898092532960. Its totient is φ = 2125267856448.

The previous prime is 2507655066079. The next prime is 2507655066127. The reversal of 2507655066091 is 1906605567052.

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 2507655066091 - 2¹³ = 2507655057899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2507655066071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2012563636 + ... + 2012564881.

It is an arithmetic number, because the mean of its divisors is an integer number (362261566620).

Almost surely, 2^{2507655066091} is an apocalyptic number.

2507655066091 is a deficient number, since it is larger than the sum of its proper divisors (390437466869).

2507655066091 is an equidigital number, since it uses as much as digits as its factorization.

2507655066091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4025128613.

The product of its (nonzero) digits is 3402000, while the sum is 52.

The spelling of 2507655066091 in words is "two trillion, five hundred seven billion, six hundred fifty-five million, sixty-six thousand, ninety-one".