253401541500 has 96 divisors (see below), whose sum is σ = 742324617216. Its totient is φ = 67169044800.

The previous prime is 253401541483. The next prime is 253401541517. The reversal of 253401541500 is 5145104352.

It is an interprime number because it is at equal distance from previous prime (253401541483) and next prime (253401541517).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 255292 + ... + 756291.

It is an arithmetic number, because the mean of its divisors is an integer number (7732548096).

Almost surely, 2^253401541500 is an apocalyptic number.

253401541500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

253401541500 is an abundant number, since it is smaller than the sum of its proper divisors (488923075716).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

253401541500 is a wasteful number, since it uses less digits than its factorization.

253401541500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011772 (or 1011760 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 253401541500 its reverse (5145104352), we get a palindrome (258546645852).

The spelling of 253401541500 in words is "two hundred fifty-three billion, four hundred one million, five hundred forty-one thousand, five hundred".