125454512355 has 64 divisors (see below), whose sum is σ = 207265540608. Its totient is φ = 64757283840.

The previous prime is 125454512333. The next prime is 125454512371. The reversal of 125454512355 is 553215454521.

It is a happy number.

It is not a de Polignac number, because 125454512355 - 2⁶ = 125454512291 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 87914152 + ... + 87915578.

It is an arithmetic number, because the mean of its divisors is an integer number (3238524072).

Almost surely, 2^125454512355 is an apocalyptic number.

125454512355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

125454512355 is a deficient number, since it is larger than the sum of its proper divisors (81811028253).

125454512355 is a wasteful number, since it uses less digits than its factorization.

125454512355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2516.

The product of its digits is 600000, while the sum is 42.

Adding to 125454512355 its reverse (553215454521), we get a palindrome (678669966876).

The spelling of 125454512355 in words is "one hundred twenty-five billion, four hundred fifty-four million, five hundred twelve thousand, three hundred fifty-five".