253041401551 has 32 divisors (see below), whose sum is σ = 265628740608. Its totient is φ = 240830029440.

The previous prime is 253041401549. The next prime is 253041401573. The reversal of 253041401551 is 155104140352.

It is a cyclic number.

It is not a de Polignac number, because 253041401551 - 2¹ = 253041401549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253041401251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 277761786 + ... + 277762696.

It is an arithmetic number, because the mean of its divisors is an integer number (8300898144).

Almost surely, 2^253041401551 is an apocalyptic number.

253041401551 is a deficient number, since it is larger than the sum of its proper divisors (12587339057).

253041401551 is a wasteful number, since it uses less digits than its factorization.

253041401551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1711.

The product of its (nonzero) digits is 12000, while the sum is 31.

The spelling of 253041401551 in words is "two hundred fifty-three billion, forty-one million, four hundred one thousand, five hundred fifty-one".