16123125501400 has 48 divisors (see below), whose sum is σ = 38045763341640. Its totient is φ = 6352992729600.

The previous prime is 16123125501389. The next prime is 16123125501443. The reversal of 16123125501400 is 410552132161.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 601595761 + ... + 601622560.

Almost surely, 2^{16123125501400} is an apocalyptic number.

16123125501400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16123125501400 is an abundant number, since it is smaller than the sum of its proper divisors (21922637840240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16123125501400 is a wasteful number, since it uses less digits than its factorization.

16123125501400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1203218404 (or 1203218395 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 31.

Adding to 16123125501400 its reverse (410552132161), we get a palindrome (16533677633561).

The spelling of 16123125501400 in words is "sixteen trillion, one hundred twenty-three billion, one hundred twenty-five million, five hundred one thousand, four hundred".