2215500660142 has 32 divisors (see below), whose sum is σ = 4154382042624. Its totient is φ = 860867892000.

The previous prime is 2215500660137. The next prime is 2215500660143. The reversal of 2215500660142 is 2410660055122.

It is a junction number, because it is equal to n+sod(n) for n = 2215500660098 and 2215500660107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2215500660143) 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, 19227234 + ... + 19342117.

It is an arithmetic number, because the mean of its divisors is an integer number (129824438832).

Almost surely, 2^{2215500660142} is an apocalyptic number.

2215500660142 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2215500660142 is a deficient number, since it is larger than the sum of its proper divisors (1938881382482).

2215500660142 is a wasteful number, since it uses less digits than its factorization.

2215500660142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38569744.

The product of its (nonzero) digits is 28800, while the sum is 34.

The spelling of 2215500660142 in words is "two trillion, two hundred fifteen billion, five hundred million, six hundred sixty thousand, one hundred forty-two".