253545335451 has 12 divisors (see below), whose sum is σ = 382155288528. Its totient is φ = 161681083344.

The previous prime is 253545335443. The next prime is 253545335509. The reversal of 253545335451 is 154533545352.

253545335451 is a `hidden beast` number, since 2 + 5 + 3 + 54 + 53 + 3 + 545 + 1 = 666.

It is not a de Polignac number, because 253545335451 - 2³ = 253545335443 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 253545335397 and 253545335406.

It is not an unprimeable number, because it can be changed into a prime (253545335651) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 612428140 + ... + 612428553.

It is an arithmetic number, because the mean of its divisors is an integer number (31846274044).

Almost surely, 2^253545335451 is an apocalyptic number.

253545335451 is a deficient number, since it is larger than the sum of its proper divisors (128609953077).

253545335451 is a wasteful number, since it uses less digits than its factorization.

253545335451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1224856722 (or 1224856719 counting only the distinct ones).

The product of its digits is 2700000, while the sum is 45.

The spelling of 253545335451 in words is "two hundred fifty-three billion, five hundred forty-five million, three hundred thirty-five thousand, four hundred fifty-one".