5402121511 has 8 divisors (see below), whose sum is σ = 5439651840. Its totient is φ = 5364653208.

The previous prime is 5402121503. The next prime is 5402121547. The reversal of 5402121511 is 1151212045.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5402121511 - 2³ = 5402121503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5402121551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166650 + ... + 196408.

It is an arithmetic number, because the mean of its divisors is an integer number (679956480).

Almost surely, 2^5402121511 is an apocalyptic number.

5402121511 is a deficient number, since it is larger than the sum of its proper divisors (37530329).

5402121511 is a wasteful number, since it uses less digits than its factorization.

5402121511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31013.

The product of its (nonzero) digits is 400, while the sum is 22.

The square root of 5402121511 is about 73499.1259199727. The cubic root of 5402121511 is about 1754.6403660240.

Adding to 5402121511 its reverse (1151212045), we get a palindrome (6553333556).

The spelling of 5402121511 in words is "five billion, four hundred two million, one hundred twenty-one thousand, five hundred eleven".