201258648451 has 16 divisors (see below), whose sum is σ = 233701936128. Its totient is φ = 169749345600.

The previous prime is 201258648439. The next prime is 201258648463. The reversal of 201258648451 is 154846852102.

It is an interprime number because it is at equal distance from previous prime (201258648439) and next prime (201258648463).

It is a cyclic number.

It is not a de Polignac number, because 201258648451 - 2²⁵ = 201225094019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201258648431) 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, 236665 + ... + 677146.

It is an arithmetic number, because the mean of its divisors is an integer number (14606371008).

Almost surely, 2^201258648451 is an apocalyptic number.

201258648451 is a deficient number, since it is larger than the sum of its proper divisors (32443287677).

201258648451 is an equidigital number, since it uses as much as digits as its factorization.

201258648451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 914322.

The product of its (nonzero) digits is 614400, while the sum is 46.

The spelling of 201258648451 in words is "two hundred one billion, two hundred fifty-eight million, six hundred forty-eight thousand, four hundred fifty-one".