254042541915 has 16 divisors (see below), whose sum is σ = 406480197888. Its totient is φ = 135485312096.

The previous prime is 254042541901. The next prime is 254042541983. The reversal of 254042541915 is 519145240452.

It is a cyclic number.

It is not a de Polignac number, because 254042541915 - 2⁴ = 254042541899 is a prime.

It is a super-2 number, since 2×254042541915² (a number of 24 digits) contains 22 as substring.

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, 306562 + ... + 775928.

It is an arithmetic number, because the mean of its divisors is an integer number (25405012368).

Almost surely, 2^254042541915 is an apocalyptic number.

254042541915 is a deficient number, since it is larger than the sum of its proper divisors (152437655973).

254042541915 is a wasteful number, since it uses less digits than its factorization.

254042541915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505458.

The product of its (nonzero) digits is 288000, while the sum is 42.

The spelling of 254042541915 in words is "two hundred fifty-four billion, forty-two million, five hundred forty-one thousand, nine hundred fifteen".