201554724142115 has 16 divisors (see below), whose sum is σ = 249048587281536. Its totient is φ = 156495921254400.

The previous prime is 201554724142003. The next prime is 201554724142129. The reversal of 201554724142115 is 511241427455102.

It is a happy number.

201554724142115 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 201554724142115 - 2¹⁶ = 201554724076579 is a prime.

It is a Duffinian number.

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, 2547094571 + ... + 2547173700.

It is an arithmetic number, because the mean of its divisors is an integer number (15565536705096).

Almost surely, 2^{201554724142115} is an apocalyptic number.

201554724142115 is a deficient number, since it is larger than the sum of its proper divisors (47493863139421).

201554724142115 is a wasteful number, since it uses less digits than its factorization.

201554724142115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5094268510.

The product of its (nonzero) digits is 448000, while the sum is 44.

The spelling of 201554724142115 in words is "two hundred one trillion, five hundred fifty-four billion, seven hundred twenty-four million, one hundred forty-two thousand, one hundred fifteen".