245202400511 has 4 divisors (see below), whose sum is σ = 249828860952. Its totient is φ = 240575940072.

The previous prime is 245202400493. The next prime is 245202400529. The reversal of 245202400511 is 115004202542.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (245202400493) and next prime (245202400529).

It is a cyclic number.

It is not a de Polignac number, because 245202400511 - 2⁶ = 245202400447 is a prime.

It is a super-2 number, since 2×245202400511² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245202400561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2313230141 + ... + 2313230246.

It is an arithmetic number, because the mean of its divisors is an integer number (62457215238).

Almost surely, 2^245202400511 is an apocalyptic number.

245202400511 is a deficient number, since it is larger than the sum of its proper divisors (4626460441).

245202400511 is an equidigital number, since it uses as much as digits as its factorization.

245202400511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4626460440.

The product of its (nonzero) digits is 3200, while the sum is 26.

The spelling of 245202400511 in words is "two hundred forty-five billion, two hundred two million, four hundred thousand, five hundred eleven".