1641495240151 has 4 divisors (see below), whose sum is σ = 1767764104792. Its totient is φ = 1515226375512.

The previous prime is 1641495240101. The next prime is 1641495240179. The reversal of 1641495240151 is 1510425941461.

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

It is a cyclic number.

It is not a de Polignac number, because 1641495240151 - 2⁹ = 1641495239639 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1641495240098 and 1641495240107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1641495240101) 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, 63134432301 + ... + 63134432326.

It is an arithmetic number, because the mean of its divisors is an integer number (441941026198).

Almost surely, 2^{1641495240151} is an apocalyptic number.

1641495240151 is a deficient number, since it is larger than the sum of its proper divisors (126268864641).

1641495240151 is a wasteful number, since it uses less digits than its factorization.

1641495240151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126268864640.

The product of its (nonzero) digits is 172800, while the sum is 43.

The spelling of 1641495240151 in words is "one trillion, six hundred forty-one billion, four hundred ninety-five million, two hundred forty thousand, one hundred fifty-one".