111655055011485 has 32 divisors (see below), whose sum is σ = 186705311643648. Its totient is φ = 56871674671680.

The previous prime is 111655055011481. The next prime is 111655055011567. The reversal of 111655055011485 is 584110550556111.

It is not a de Polignac number, because 111655055011485 - 2² = 111655055011481 is a prime.

It is a super-2 number, since 2×111655055011485² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111655055011481) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 251440561 + ... + 251884230.

It is an arithmetic number, because the mean of its divisors is an integer number (5834540988864).

Almost surely, 2^{111655055011485} is an apocalyptic number.

111655055011485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

111655055011485 is a deficient number, since it is larger than the sum of its proper divisors (75050256632163).

111655055011485 is a wasteful number, since it uses less digits than its factorization.

111655055011485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503325465.

The product of its (nonzero) digits is 600000, while the sum is 48.

The spelling of 111655055011485 in words is "one hundred eleven trillion, six hundred fifty-five billion, fifty-five million, eleven thousand, four hundred eighty-five".