2261211651403 has 8 divisors (see below), whose sum is σ = 2359606903200. Its totient is φ = 2162823208128.

The previous prime is 2261211651373. The next prime is 2261211651467. The reversal of 2261211651403 is 3041561121622.

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 2261211651403 - 2²⁹ = 2260674780491 is a prime.

It is a super-2 number, since 2×2261211651403² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2261211651493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1017588 + ... + 2357521.

It is an arithmetic number, because the mean of its divisors is an integer number (294950862900).

Almost surely, 2^{2261211651403} is an apocalyptic number.

2261211651403 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2261211651403 is a deficient number, since it is larger than the sum of its proper divisors (98395251797).

2261211651403 is a wasteful number, since it uses less digits than its factorization.

2261211651403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3404261.

The product of its (nonzero) digits is 17280, while the sum is 34.

The spelling of 2261211651403 in words is "two trillion, two hundred sixty-one billion, two hundred eleven million, six hundred fifty-one thousand, four hundred three".