201451155022 has 16 divisors (see below), whose sum is σ = 325523211552. Its totient is φ = 92948280480.

The previous prime is 201451154969. The next prime is 201451155023. The reversal of 201451155022 is 220551154102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201451155023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1131093 + ... + 1297024.

It is an arithmetic number, because the mean of its divisors is an integer number (20345200722).

Almost surely, 2^201451155022 is an apocalyptic number.

201451155022 is a deficient number, since it is larger than the sum of its proper divisors (124072056530).

201451155022 is a wasteful number, since it uses less digits than its factorization.

201451155022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2431323.

The product of its (nonzero) digits is 4000, while the sum is 28.

The spelling of 201451155022 in words is "two hundred one billion, four hundred fifty-one million, one hundred fifty-five thousand, twenty-two".