2145111775060 has 48 divisors (see below), whose sum is σ = 4744460427840. Its totient is φ = 812432851200.

The previous prime is 2145111774997. The next prime is 2145111775061. The reversal of 2145111775060 is 605771115412.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2145111775061) 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, 882814 + ... + 2251573.

It is an arithmetic number, because the mean of its divisors is an integer number (98842925580).

Almost surely, 2^{2145111775060} is an apocalyptic number.

2145111775060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2145111775060 is an abundant number, since it is smaller than the sum of its proper divisors (2599348652780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2145111775060 is a wasteful number, since it uses less digits than its factorization.

2145111775060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3136216 (or 3136214 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 40.

The spelling of 2145111775060 in words is "two trillion, one hundred forty-five billion, one hundred eleven million, seven hundred seventy-five thousand, sixty".