2111792542 has 4 divisors (see below), whose sum is σ = 3167688816. Its totient is φ = 1055896270.

The previous prime is 2111792539. The next prime is 2111792549. The reversal of 2111792542 is 2452971112.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 2111792498 and 2111792507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111792549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527948134 + ... + 527948137.

It is an arithmetic number, because the mean of its divisors is an integer number (791922204).

Almost surely, 2^2111792542 is an apocalyptic number.

2111792542 is a deficient number, since it is larger than the sum of its proper divisors (1055896274).

2111792542 is a wasteful number, since it uses less digits than its factorization.

2111792542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1055896273.

The product of its digits is 10080, while the sum is 34.

The square root of 2111792542 is about 45954.2440042266. The cubic root of 2111792542 is about 1282.9717212378.

The spelling of 2111792542 in words is "two billion, one hundred eleven million, seven hundred ninety-two thousand, five hundred forty-two".