2151403541 has 16 divisors (see below), whose sum is σ = 2546208000. Its totient is φ = 1778598528.

The previous prime is 2151403531. The next prime is 2151403543. The reversal of 2151403541 is 1453041512.

It is not a de Polignac number, because 2151403541 - 2²⁶ = 2084294677 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2151403541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2151403543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 207896 + ... + 217998.

It is an arithmetic number, because the mean of its divisors is an integer number (159138000).

Almost surely, 2^2151403541 is an apocalyptic number.

It is an amenable number.

2151403541 is a deficient number, since it is larger than the sum of its proper divisors (394804459).

2151403541 is a wasteful number, since it uses less digits than its factorization.

2151403541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11188.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 2151403541 is about 46383.2247800862. The cubic root of 2151403541 is about 1290.9436720268.

The spelling of 2151403541 in words is "two billion, one hundred fifty-one million, four hundred three thousand, five hundred forty-one".