2115552025042 has 4 divisors (see below), whose sum is σ = 3173328037566. Its totient is φ = 1057776012520.

The previous prime is 2115552024973. The next prime is 2115552025043. The reversal of 2115552025042 is 2405202555112.

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

It can be written as a sum of positive squares in only one way, i.e., 1917917542321 + 197634482721 = 1384889^2 + 444561^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2115552024989 and 2115552025007.

It is not an unprimeable number, because it can be changed into a prime (2115552025043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 528888006259 + ... + 528888006262.

Almost surely, 2^{2115552025042} is an apocalyptic number.

2115552025042 is a deficient number, since it is larger than the sum of its proper divisors (1057776012524).

2115552025042 is a wasteful number, since it uses less digits than its factorization.

2115552025042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1057776012523.

The product of its (nonzero) digits is 40000, while the sum is 34.

The spelling of 2115552025042 in words is "two trillion, one hundred fifteen billion, five hundred fifty-two million, twenty-five thousand, forty-two".