2053551125451 has 16 divisors (see below), whose sum is σ = 3158465819904. Its totient is φ = 1162490889504.

The previous prime is 2053551125449. The next prime is 2053551125471. The reversal of 2053551125451 is 1545211553502.

It is not a de Polignac number, because 2053551125451 - 2¹ = 2053551125449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2053551125441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 456951720 + ... + 456956213.

It is an arithmetic number, because the mean of its divisors is an integer number (197404113744).

Almost surely, 2^{2053551125451} is an apocalyptic number.

2053551125451 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2053551125451 is a deficient number, since it is larger than the sum of its proper divisors (1104914694453).

2053551125451 is a wasteful number, since it uses less digits than its factorization.

2053551125451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 913908050.

The product of its (nonzero) digits is 150000, while the sum is 39.

Adding to 2053551125451 its reverse (1545211553502), we get a palindrome (3598762678953).

The spelling of 2053551125451 in words is "two trillion, fifty-three billion, five hundred fifty-one million, one hundred twenty-five thousand, four hundred fifty-one".