2142555111403 has 32 divisors (see below), whose sum is σ = 2644099080192. Its totient is φ = 1695722688000.

The previous prime is 2142555111397. The next prime is 2142555111407. The reversal of 2142555111403 is 3041115552412.

It is a cyclic number.

It is not a de Polignac number, because 2142555111403 - 2¹⁷ = 2142554980331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2142555111407) 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, 1466125 + ... + 2536657.

It is an arithmetic number, because the mean of its divisors is an integer number (82628096256).

Almost surely, 2^{2142555111403} is an apocalyptic number.

2142555111403 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2142555111403 is a deficient number, since it is larger than the sum of its proper divisors (501543968789).

2142555111403 is a wasteful number, since it uses less digits than its factorization.

2142555111403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1070995.

The product of its (nonzero) digits is 24000, while the sum is 34.

The spelling of 2142555111403 in words is "two trillion, one hundred forty-two billion, five hundred fifty-five million, one hundred eleven thousand, four hundred three".