201573315054 has 24 divisors (see below), whose sum is σ = 436877564760. Its totient is φ = 67170277008.

The previous prime is 201573315049. The next prime is 201573315089. The reversal of 201573315054 is 450513375102.

201573315054 is a `hidden beast` number, since 2 + 0 + 1 + 573 + 31 + 5 + 0 + 54 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1675932 + ... + 1792175.

It is an arithmetic number, because the mean of its divisors is an integer number (18203231865).

Almost surely, 2^201573315054 is an apocalyptic number.

201573315054 is an abundant number, since it is smaller than the sum of its proper divisors (235304249706).

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

201573315054 is a wasteful number, since it uses less digits than its factorization.

201573315054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3471344 (or 3471341 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 36.

The spelling of 201573315054 in words is "two hundred one billion, five hundred seventy-three million, three hundred fifteen thousand, fifty-four".