211152532450542 has 64 divisors (see below), whose sum is σ = 452636340033024. Its totient is φ = 65495702321280.

The previous prime is 211152532450529. The next prime is 211152532450591. The reversal of 211152532450542 is 245054235251112.

It is a junction number, because it is equal to n+sod(n) for n = 211152532450494 and 211152532450503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35631117 + ... + 41132487.

It is an arithmetic number, because the mean of its divisors is an integer number (7072442813016).

Almost surely, 2^{211152532450542} is an apocalyptic number.

211152532450542 is an abundant number, since it is smaller than the sum of its proper divisors (241483807582482).

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

211152532450542 is a wasteful number, since it uses less digits than its factorization.

211152532450542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5508953.

The product of its (nonzero) digits is 480000, while the sum is 42.

The spelling of 211152532450542 in words is "two hundred eleven trillion, one hundred fifty-two billion, five hundred thirty-two million, four hundred fifty thousand, five hundred forty-two".