4001261411500 has 24 divisors (see below), whose sum is σ = 8738754923808. Its totient is φ = 1600504564400.

The previous prime is 4001261411489. The next prime is 4001261411513. The reversal of 4001261411500 is 51141621004.

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4001260912 + ... + 4001261911.

It is an arithmetic number, because the mean of its divisors is an integer number (364114788492).

Almost surely, 2^{4001261411500} is an apocalyptic number.

It is an amenable number.

4001261411500 is an abundant number, since it is smaller than the sum of its proper divisors (4737493512308).

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

4001261411500 is a wasteful number, since it uses less digits than its factorization.

4001261411500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8002522842 (or 8002522830 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 25.

The spelling of 4001261411500 in words is "four trillion, one billion, two hundred sixty-one million, four hundred eleven thousand, five hundred".