2135541004000 has 96 divisors (see below), whose sum is σ = 5280446336256. Its totient is φ = 848775283200.

The previous prime is 2135541003979. The next prime is 2135541004067. The reversal of 2135541004000 is 4001455312.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1072272 + ... + 2328271.

It is an arithmetic number, because the mean of its divisors is an integer number (55004649336).

Almost surely, 2^{2135541004000} is an apocalyptic number.

2135541004000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2135541004000 is an abundant number, since it is smaller than the sum of its proper divisors (3144905332256).

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

2135541004000 is a wasteful number, since it uses less digits than its factorization.

2135541004000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3400725 (or 3400707 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 2135541004000 its reverse (4001455312), we get a palindrome (2139542459312).

The spelling of 2135541004000 in words is "two trillion, one hundred thirty-five billion, five hundred forty-one million, four thousand".