7042156122522 has 32 divisors (see below), whose sum is σ = 14119381628352. Its totient is φ = 2341547720064.

The previous prime is 7042156122509. The next prime is 7042156122619. The reversal of 7042156122522 is 2252216512407.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2987913 + ... + 4797075.

It is an arithmetic number, because the mean of its divisors is an integer number (441230675886).

Almost surely, 2^{7042156122522} is an apocalyptic number.

7042156122522 is an abundant number, since it is smaller than the sum of its proper divisors (7077225505830).

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

7042156122522 is a wasteful number, since it uses less digits than its factorization.

7042156122522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1810782.

The product of its (nonzero) digits is 134400, while the sum is 39.

The spelling of 7042156122522 in words is "seven trillion, forty-two billion, one hundred fifty-six million, one hundred twenty-two thousand, five hundred twenty-two".