11601006555 has 16 divisors (see below), whose sum is σ = 18578465280. Its totient is φ = 6181585248.

The previous prime is 11601006553. The next prime is 11601006559. The reversal of 11601006555 is 55560010611.

It is not a de Polignac number, because 11601006555 - 2¹ = 11601006553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11601006553) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 334045 + ... + 367134.

It is an arithmetic number, because the mean of its divisors is an integer number (1161154080).

Almost surely, 2^11601006555 is an apocalyptic number.

11601006555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11601006555 is a deficient number, since it is larger than the sum of its proper divisors (6977458725).

11601006555 is a wasteful number, since it uses less digits than its factorization.

11601006555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 702290.

The product of its (nonzero) digits is 4500, while the sum is 30.

The spelling of 11601006555 in words is "eleven billion, six hundred one million, six thousand, five hundred fifty-five".