254402553304155 has 16 divisors (see below), whose sum is σ = 430987855009824. Its totient is φ = 127700105187840.

The previous prime is 254402553304129. The next prime is 254402553304169. The reversal of 254402553304155 is 551403355204452.

It is not a de Polignac number, because 254402553304155 - 2¹⁶ = 254402553238619 is a prime.

It is a super-2 number, since 2×254402553304155² (a number of 30 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, 498828535636 + ... + 498828536145.

It is an arithmetic number, because the mean of its divisors is an integer number (26936740938114).

Almost surely, 2^{254402553304155} is an apocalyptic number.

254402553304155 is a deficient number, since it is larger than the sum of its proper divisors (176585301705669).

254402553304155 is a wasteful number, since it uses less digits than its factorization.

254402553304155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 997657071806.

The product of its (nonzero) digits is 7200000, while the sum is 48.

The spelling of 254402553304155 in words is "two hundred fifty-four trillion, four hundred two billion, five hundred fifty-three million, three hundred four thousand, one hundred fifty-five".