125554400354 has 8 divisors (see below), whose sum is σ = 199409930028. Its totient is φ = 59084423680.

The previous prime is 125554400339. The next prime is 125554400369. The reversal of 125554400354 is 453004455521.

It is an interprime number because it is at equal distance from previous prime (125554400339) and next prime (125554400369).

It can be written as a sum of positive squares in 2 ways, for example, as 122411116129 + 3143284225 = 349873^2 + 56065^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1846388207 + ... + 1846388274.

Almost surely, 2^125554400354 is an apocalyptic number.

125554400354 is a deficient number, since it is larger than the sum of its proper divisors (73855529674).

125554400354 is a wasteful number, since it uses less digits than its factorization.

125554400354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3692776500.

The product of its (nonzero) digits is 240000, while the sum is 38.

Adding to 125554400354 its reverse (453004455521), we get a palindrome (578558855875).

The spelling of 125554400354 in words is "one hundred twenty-five billion, five hundred fifty-four million, four hundred thousand, three hundred fifty-four".